The spring equinox will occur at 5:01 a.m. EST on Thursday. Here's what to know about the start of the spring season.

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

NASA astronauts Suni Williams and Butch Wilmore begin their 17-hour return journey to Earth after 9 months aboard the ISS. Follow Newsweek's live blog.

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA ...

"We’re a good 15 years away from going to Mars, not five years as Elon Musk alludes to," former NASA astronaut José Hernández ...

As the sun set on the Blue Ghost Moon lander, bringing a successful 14-day mission to a close, the robot captured a view only seen by a handful of people as particles on the surface of the Moon danced ...

The solar-powered Blue Ghost shut down on Sunday evening (March 16), shortly after the sun set over its lunar locale. The ...

The spacecraft carried out the longest commercial operation on the moon to date—and also made history during its rare chance ...

The Blue Ghost spacecraft, named for a species of firefly, took eclipse chasing to new heights. Not only did it see the Earth block the Sun from an unexplored location on the Moon, but the lander fell ...

Unfortunately, no, the partial solar eclipse will not be visible in Florida. The partial solar eclipse will be visible in the ...