NASA Space Administration

NASA ScienceCasts: Two Sides of the Same Star A neutron star comes from a large star that has run out of fuel, and exploded as a supernova. First it becomes a radio pulsar and later becomes a magnetar. Or maybe it’s the other way around!

NASA ScienceCasts: Understanding the Outer Reaches of Earth's Atmosphere The ionosphere is where Earth's atmosphere gives way to space, and two new NASA missions will work together to uncover its secrets.

NASA ScienceCasts: New InSight into the Red Planet We’ve always referred to Mars as the red planet because of its surface color. But what’s below that dusty crust? NASA's InSight mission is determined to find out.

NASA ScienceCasts: Solving Earth’s Mysteries Data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) are helping scientists study increases in Earth's atmospheric carbon dioxide levels.