On Oct. 2, an annular solar eclipse turned the sun into an impressive "ring of fire." Here are some of the best photos of the dramatic display.

On Wednesday (Oct.2), an annular eclipse will sweep over the globe; here is what you can expect from this ring of fire eclipse, including how it will progress.

SpaceX launched a NASA astronaut and a Russian cosmonaut toward the ISS today (Sept. 28), on a mission unlike any other the company has flown.

Using a phenomenon known as gravitational lensing, it might be possible to use the sun as a gigantic telescope to peer deep into space.

The waxing gibbous Moon is pictured from the International Space Station as it orbited 265 miles above the U.S. state of Minnesota on Dec. 17, 2021.

SpaceX's trailblazing Polaris Dawn mission will make a daring trek into Earth orbit, one that will ferry the crew through belts of radiation wrapped around our planet.

Boeing's Starliner capsule returned to Earth early this morning (Sept. 7), wrapping up its first-ever crewed mission. But it came home without any astronauts on board.

The experiment aboard China's Tiangong space station will expose bricks made of moon-soil simulant to space's harsh conditions, helping shape the future of lunar infrastructure.

The perfect organism is as menacing on the pages as it is on the big screen. These are the must-read Alien comic books you should look out for.

Earth planning date: Monday, Aug. 26, 2024 Today’s planning day was a good example of how our team comes together to make quick decisions based on new information and science priorities. The original intent of today’s plan was to perform contact science on some interesting bright-toned rubbly rocks ...

SpaceX's Polaris Dawn mission, which is scheduled to launch on Aug. 27, will feature the first-ever private spacewalk. Here's what to expect.

Scientists have "boldly gone" where no one has gone before, discovering what would happen if a faster-than-light warp drive like the one used in Star Trek were to fail.