We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

"There are incredibly tantalizing samples in the Perseverance rover's cache that could revolutionize our understanding of ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

The sun’s outer atmosphere resembles a pufferfish.

The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...