Scientists believe giant impacts – like the one depicted in this artist’s concept – occurred on Mars 4.5 billion years ago, ...

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 ...

On Mars, things are a lot more static. It’s a single-plate planet with incredibly slow mixing. When InSight peered into the ...

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

For decades, people have asked if life ever existed on Mars. The question moved from science fiction to careful science with ...

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

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

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

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

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...