National Aeronautics and Space Administration - NASA

NASA is launching a study of UFOs as part of a new push toward high-risk, high-impact science.

The launch site was chosen because it is in the Southern Hemisphere and close to the equator.

It’s the first NASA crew comprised equally of men and women, including the first Black woman making a long-term spaceflight...

After Buzz Aldrin made the controversial announcement, much of the internet agreed.

Despite escalating tensions between the U.S. and Russia over Vladimir Putin’s war with Ukraine, Vande Hei’s return followed...

There was a lot of the yellow material in storage and “that’s why we had to wear yellow," said one official.

Vande Hei is due to leave with two Russians aboard a Soyuz capsule for a touchdown in Kazakhstan on March 30.

The James Webb Space Telescope will scan the cosmos for light streaming from the first stars and galaxies formed 13.7 billion...

Jolly St. Nick may have to dodge the launch of NASA's $9.7 billion telescope, scheduled for 7:20 a.m. Eastern Standard Time...

NASA has picked 10 new astronauts, half of them military pilots, as it looks ahead to the moon and Mars.