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Will an asteroid ever hit Earth? There are no known impact threats, but tiny meteors burn up in Earth’s atmosphere all the time! NASA asteroid expert Dr. Kelly Fast tells us more. Learn more about NASA’s planetary defense efforts: nasa.gov/planetarydefense

NASA remembers the crews of Apollo 1, space shuttles Challenger and Columbia during the agency's Day of Remembrance on Jan. 26, 2023. Feb. 1 marks the 20th anniversary of the Columbia STS-107 accident. NASA's Day of Remembrance honors all members of the NASA family who lost their lives while furthering the cause of exploration and discovery.

Managers and engineers from NASA’s Marshall Space Flight Center in Alabama share their thoughts about the Space Launch System (SLS) rocket for #Artemis I. Van L. Strickland, SLS program operations manager; John Blevins, SLS chief engineer; and Sharon Cobb, SLS associate program manager, commend a diverse workforce for its effort and dedication to prepare the backbone of NASA’s return to the Moon. SLS will launch the Orion spacecraft on its mission beyond the Moon and back to Earth. Artemis I is scheduled to launch no earlier than Aug. 29, 2022, at 8:33 a.m. EDT from Kennedy Space Center’s Launch Complex 39B in Florida.

Before Jessica Watkins was an astronaut, she was a geologist. Now working on the International Space Station, Jessica and her fellow astronauts are preparing to explore the Moon and beyond. But collecting and investigating rocks on other worlds is very different from digging dirt here on Earth. That’s where tools engineer Adam Naids comes in. Tools designed for Earth geologists may not work in the lower gravity and extreme temperatures of the Moon, and that’s before you bring in the bulky spacesuits! NASA Explorers come together at space school to train astronauts to conduct science on the Moon. Series Executive Producers: Katy Mersmann/Lauren Ward Season Producers: Lonnie Shekhtman/Stephanie Sipila/James Tralie/Molly Wasser Explorers: Jessica Watkins/Adam Naids/Kelsey Young Music: a. “Iced Planet” by Anthony Edwin Phillips and Samuel Karl Bohn b. “The Deep” by Paul Werner c. “Carpe Diem” by Michael James

Launching a new mission around the Moon, preparing the Space Launch System for its first flight, and undocking a resupply spacecraft from the space station … a few of the stories to tell you about – This Week at NASA!

The countdown to our Artemis I Moon mission, a Moon-observing small satellite hitching a ride on Artemis I, and some other tiny satellites that could help us better prepare for space weather … a few of the stories to tell you about – This Week at NASA!

Best day of my whole life. Ever." Watch the reactions of a group of students, joined by NASA Administrator Bill Nelson and NASA Associate Administrator Bob Cabana, who hopped on a tour bus at Kennedy Space Center for an opportunity of a lifetime to view the Artemis I Space Launch System rocket and Orion spacecraft in the Vehicle Assembly Building's High Bay 3. #Artemis I is scheduled to launch no earlier than Aug. 29 at 8:33 a.m. EDT from the center’s Launch Complex 39B on a flight test around the Moon and back to Earth.

It’s not rockets and satellites that make NASA soar. It’s people. On season 5 of #NASAExplorers, “Artemis Generation,” meet the scientists and engineers who are studying Moon rocks, building tools, working aboard NASA’s International Space Station, and training astronauts in preparation for landing humans on the surface of the Moon through NASA’s Artemis missions. #S5E0

Greenhouse gas emissions decreased a little during the first year of COVID, but not enough to make a lasting impact. Less travel and cars on the road meant improved air quality. But greenhouse gases that cause climate change only decreased a little because we were still heating and cooling our homes, so these gases continued to build up in our atmosphere. NASA climate change scientist Lesley Ott tells us more about what scientists discovered. Explore more about the unexpected effects the pandemic had on our atmosphere:

Commemorating an historic event for human spaceflight, an update on plans for Artemis I, and what our Perseverance rover is up to on Mars … a few of the stories to tell you about – This Week at NASA! Producer: Andre Valentine Editor: Shane Apple Music: Universal Production Music Credit: NASA

For more than 50 years, NASA has been collecting and providing data about Earth’s land, water, ice and atmosphere. Now, a new era of Earth Science has begun. NASA will launch a fleet of state-of-the-art satellites forming the Earth System Observatory, which will create a comprehensive 4D view of Earth like never before. NASA, working with federal partners, will equip decision makers with the information they need to mitigate, adapt and respond to climate change through the new Earth Information Center. A new satellite observatory in the sky and an information center here on Earth, protecting our planet for the next generation.

Have humans ever visited Mars? Not yet, but we’ve sent lots of rovers, landers and orbiters to explore the Red Planet. NASA has two operating rovers — Curiosity and Perseverance — which are currently traversing the Martian terrain in search of rocks that could teach us about Mars’ ancient past. And with NASA Artemis, we’re working on new tech that could one day get humans to Mars. NASA scientist Dr. Mitch Schulte has more. https://mars.nasa.gov/ Producers: Scott Bednar, Jessica Wilde Editor: Daniel Salazar Credit: NASA

Twin solid rocket boosters that will produce a combined 7.2 million pounds of thrust at liftoff, a towering core stage, and the only human-rated spacecraft in the world capable of deep-space travel – together, NASA’s Space Launch System rocket and Orion spacecraft stand ready to usher in a new chapter of exploration. Now fully assembled at Kennedy Space Center in Florida, SLS and Orion will soon roll to the launch pad. Producer: Lisa Allen, Alysia Lee Writer & Director: Paul Wizikowski

Ready to showcase the Webb space telescope’s first full-color images, back in touch with a spacecraft on an important mission to the Moon, and our Artemis I Moon rocket and spacecraft move a step closer to launch … a few of the stories to tell you about – This Week at NASA! Producer: Andre Valentine Editor: Lacey Young Music: Universal Production Music Credit: NASA

The Crew-3 astronauts return from the space station, the spacecraft for another commercial crew mission is on the move, and discussing NASA’s budget … a few of the stories to tell you about – This Week at NASA! Download Link: https://images.nasa.gov/details-The%2... Producer: Andre Valentine Editor: Lacey Young Music: Universal Production Music

What the President’s budget means for NASA, a record-setting astronaut returns safely to Earth, and the next Commercial Crew mission to the space station … a few of the stories to tell you about – This Week at NASA! Download Link: https://images.nasa.gov/details-The%2... Producer: Andre Valentine Editor: Sonnet Apple Music: Universal Production Music 0:00 Introduction 0:14 The President’s Budget and the State of NASA 1:21 Record-Setting U.S. Astronaut Returns to Earth 1:47 NASA Previews SpaceX Crew-4 Mission 2:16 Final Test Ahead of Artemis I Moon Mission 2:43 Hubble Spots Farthest Star Ever Seen

Grammy-winning recording artist Eddie Vedder made a special long-distance phone call to the International Space Station (ISS), in celebration of Earth Day. Orbiting more than 250 miles (402 kilometers) above Earth aboard the ISS, NASA astronauts Kayla Barron, Raja Chari, Thomas Marshburn, and Mark Vande Hei, as well as ESA (European Space Agency) astronaut Matthias Maurer, have enjoyed a unique view of our planet. They share their thoughts on having a front-row seat to the global effects of climate change, reflect on stewardship of our planet, as well as space’s remarkable ability to unite all of us in shared humanity.

We don’t yet know what the James Webb Space Telescope will uncover. Will we get answers? Will we have more questions? One thing’s certain: The story of us is a never-ending quest for knowledge. As Carl Sagan said: “We can’t help it.” #UnfoldTheUniverse https://www.jwst.nasa.gov Produced by Lindeman & Associates Voice of Carl Sagan courtesy of Druyan-Sagan Associates, Inc., used with permission Imagery courtesy of NASA and ESA, with Druyan-Sagan Associates, Inc., used with permission

new crew heads to the space station, a major storm spotted from space, and a robotic spacecraft enabling human missions to the Moon … a few of the stories to tell you about – This Week at NASA! Link to download this video: https://images.nasa.gov/details/A%20N... Video Producer: Andre Valentine Video Editor: Andre Valentine Narrator: Andre Valentine Music: Universal Production Music Credit: NASA

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) is the first U.S. mission to return samples from an asteroid to Earth. When it lands, the OSIRIS-REx spacecraft will release the sample capsule for a safe landing in the Utah desert. The pristine material from Bennu – rocks and dust collected from the asteroid’s surface in 2020 – will offer generations of scientists a window into the time when the Sun and planets were forming about 4.5 billion years ago. Watch NASA’s live broadcast on NASA TV, NASA.gov, the NASA app, or on social media (@NASA) starting at 10 a.m. ET on Sunday, Sept. 24.

1983, NASA’s Guy Bluford broke barriers and made history as the first African American astronaut in space. Hear from Bluford himself, see footage from his Space Shuttle missions, and celebrate the milestones that forever changed the landscape of space exploration. Bluford’s first mission was STS-8, which launched from Kennedy Space Center, Florida, on Aug. 30, 1983. This was the third flight for the Challenger orbiter, and the first mission with a night launch and night landing. During the mission, the STS-8 crew deployed the Indian National Satellite (INSAT-1B), operated the Canadian-built RMS with the Payload Flight Test Article (PFTA), operated the Continuous Flow Electrophoresis System (CFES) with live cell samples, conducted medical measurements to understand biophysiological effects of spaceflight, and activated four “Getaway Special” canisters. STS-8 completed 98 orbits of the Earth in 145 hours before landing at Edwards Air Force Base, California, on Sept. 5, 1983.

NASA’s Innovative Advanced Concepts (NIAC) Program nurtures visionary ideas from America's innovators and entrepreneurs that could transform future NASA missions with the creation of radically better or entirely new aerospace concepts. NIAC projects study innovative, technically credible, advanced concepts to turn science fiction to science fact.

The approximately 10-day Artemis II flight test will launch on the agency’s powerful Space Launch System (SLS) rocket, prove the Orion spacecraft’s life-support systems, and validate the capabilities and techniques needed for humans to live and work in deep space. The astronauts will launch from NASA Kennedy Space Center’s Launch Pad 39B atop the SLS rocket as it generates 8.8 million pounds of thrust, beginning their 600,000 mile journey. Once out of our atmosphere, these star sailors will conduct a targeting demonstration and check the Orion spacecraft’s systems near Earth before they head around the Moon and back to Earth, reentering our atmosphere at 30 times the speed of sound, before gently splashing down in the Pacific Ocean.

Four astronauts have been selected for NASA’s Artemis II mission: Commander Reid Wiseman, pilot Victor Glover, and mission specialist Christina Koch from NASA, and mission specialist Jeremy Hansen from the Canadian Space Agency. Artemis II will be NASA’s first crewed flight test of the Space Launch System rocket and Orion spacecraft around the Moon to verify today’s capabilities for humans to explore deep space and pave the way for long-term exploration and science on the lunar surface.

Don't miss it! NASA and CSA (Canadian Space Agency) will announce during an event at 11 a.m. EDT on Monday, April 3, from NASA Johnson Space Center’s Ellington Field in Houston, the four astronauts who will venture around the Moon. Traveling aboard NASA’s Orion spacecraft during Artemis II, the mission is the first crewed flight test on the agency’s path to establishing a long-term scientific and human presence on the lunar surface.