Megan Gannon

A tiny NASA spacecraft with a zoomed-in view of the sun has observed its first coronal mass ejection, or CME, a violent eruption of solar material, the space agency announced.

This Sunday night (June 1), the Fox TV series "Cosmos: A Spacetime Odyssey" will send viewers to Earth's neighbor to learn about the greenhouse effect.

Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment onboard a zero-gravity flight.

Space.com shadowed a group of students from the University of California, San Diego who were selected by NASA to test an experiment on board a zero-gravity flight.

Some stars that give birth to Earth-like rocky planets only to later devour those same daughter worlds, and now scientists say they have a way to find the stellar cannibals.

The next episode of "Cosmos: A Spacetime Odyssey" airs Sunday (May 18), and it promises to delve into big questions about death and immortality.

A prototype of NASA's Morpheus lander kicked up a cloud of fake moon dust as it touched down softly on a mock lunar landscape in Florida in this week.

Scientists hope space-grown crystals of the protein behind Huntington's disease could help them better understand the deadly neurodegenerative disorder.

NASA saluted Captain Kirk over the weekend, giving William Shatner the Distinguished Public Service medal, the space agency's highest award for civilians.

Bitcoins soon may go off the grid and into space. One private venture is aiming to launch a cluster of tiny satellites that would broadcast the latest bitcoin transactions from orbit.

Since the start of the 21st century, dozens of incoming asteroids have slammed into Earth, some of them packing far more energy than a city-destroying atomic bomb, a new animation illustrates.

A spacecraft circling the Red Planet has spotted NASA's Mars rover Curiosity hard at work on the Martian surface.