Day of Remembrance honors fallen astronauts with ceremonies nationwide, including wreath-laying at Arlington National Cemetery led by Jim Free and events at various NASA centers.

The SpaceX website has a page dedicated to "Mars & Beyond," which is subtitled "the road to making humanity multiplanetary." Related: Cathie Wood buys $8 million of surging tech stock "It’s about ...

The data used to create the image is from a Hubble Space Telescope project to capture and map Jupiter's superstorm system.

A wall of ice the size of Rhode Island is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Mark Zaid, the D.C. attorney known for handling cases regarding national security, security clearances, government investigations, freedom of speech claims and whistleblowing, responded to President ...

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special opportunity ...

G3 (ATLAS) showed off its spectacular tail plumage to NASA spacecraft when it flew close to the sun this month.

The sun is at the peak of its 11-year cycle. That means an uptick in solar flares will lead to more chances to see the northern lights over the next couple of years.

Life’s left-handed puzzle: NASA discovers a bigger mystery surrounding our origins CNN is cutting hundreds of TV jobs in a digital pivot. Read the memo CEO Mark Thompson sent to staff. I’m a Frugal ...

Chorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new detection suggests scientists may understand less about them than first thought ...

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been found on Mars providing evidence that there were open bodies of water, not ...