Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's ...

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

Curiosity Point 1: A catastrophic event turned Venus into a hellish world?

Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

The Red Planet had a grisly history. New examined data taken by NASA's retired InSight lander suggest that there may be giant ...

Until recently, we could only study geology by looking at rocks on Earth and the Moon —well, and the rare meteor or two that ...

Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated.

The interstellar visitor will pass just 30 million kilometers from Mars on Oct. 3 — far closer than it comes to Earth.

In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid ...

Last week NASA announced the "clearest sign of life that we've ever found on Mars". Amazing news, or a "crushing blow" for humanity?