NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases with humid climates and ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

NASA has quietly taken a major step toward crewed missions to Mars by selecting four people to live and work in a sealed, ...

The past few months, we’ve been giving you a quick rundown of the various ways ores form underground; now the time has come ...

On Thursday (Dec. 4), NASA shared the latest dramatic image of 3I/ATLAS taken by the Hubble Space Telescope. The photograph, ...

Geminid meteor shower 2025 kicks off tonight with shooting stars amid a full moon rising. Here's where, when, what time, how ...

The WK Kellogg Co. has been bought by an Italian candy maker, and some worry about what that means for the future of the ...

The diminishing role of Europe in international affairs, exemplified by Ukraine, represents a power shift for once-dominant ...