Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth? - Ultimately ...

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

The NASA-funded system can form building materials with no outside intervention, which could lead to 3D printing in space.

Tg Sport ...

Seven U.S. cities have recently captured spectacular, record-breaking cloud formations—from wave-like undulatus to glowing noctilucent skies and dramatic shelf clouds—sparking viral social media buzz.

Here's the Image of the Week as voted on by the public. Check out the latest raw images below, and "Like" your favorites. Come back at the beginning of the week to see the public's favorite. Full ...