Today is Earth Day, and NASA is honoring our planet in a way that only NASA can. The agency took to social media to share a simple (yet mind-blowing) clip of our big blue marble, shot aboard the ...

NASA officials will unveil details about a new finding connected to a unique sample the Perseverance rover found on Mars ...

Advances in science are getting bigger and bigger, but the one that NASA is about to make deserves recognition. The Voyager ...

The umbra is the dark, inner shadow of Earth. Shaped like a cone, it stretches deep into space. Its circular cross section ...

For NASA, this weekend is special. Sunday marks the 56th anniversary of the Apollo 11 moon landing — humanity's first steps on another world — July 20, 1969. As the only space agency on Earth able to ...

On Aug. 23, 1966, NASA's Lunar Orbiter 1 sent back the first photo of Earth from the moon. It showed a grainy crescent Earth ...