Space News

This lovely skyscape shows the end of nautical twilight above the Roque de los Muchachos Observatory, on the Canary Island of La Palma, Spain, as the day transitions to night.

Two merging spiral galaxies are caught twisting each other into cosmic knots in a spectacular photo by NASA's Hubble Space Telescope.

Taking SETI more seriously means thinking expansively, but how do we evaluate the options? --

A chance to send your name to the Sun, testing systems for our Orion spacecraft, and sizing up Earth, from space - a few of the stories to tell you about - This Week at NASA....

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station....

"With revolutionary technology we can enter new worlds and shine a light on behaviors in ways that were impossible just a generation ago. We've also come to recognize an uncomfortable fact: The health of our oceans is un...

Communications systems are an integral part of daily life, but the sun can trigger powerful geomagnetic storms on Earth that disrupt GPS systems, air travel, national security and life-saving communications.

The intricate threads of cold gas in the Orion Nebula reveal that star formation in the largest clouds works much as it does in the smaller ones, thus unifying theories about how stars are born.

If Earth retained water after its fiery birth, could the moon have done so, too?