The interior of Mars is as chunky as a delicious macadamia cookie. A new analysis of the acoustic waves that ripple through and bounce around the red planet's guts reveals that the ancient, early ...

Combing through 20 years of images from the European Space Agency's Mars Express and ExoMars Trace Gas Orbiter spacecraft, ...

Martian mudstones contain features that NASA says are the "clearest sign of life" yet on Mars, according to new findings from NASA’s Perseverance rover released Sept. 10. Specifically, the stones show ...

Because all earthly life shares a common origin, finding a second tree of life would forever change humanity’s understanding of ourselves.

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...