The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...

I/ATLAS is only the third comet ever witnessed from outside our Solar System and new imagery could teach us so much about other worlds ...

One of the big questions about Mars is how wet was it in the past, and why is it so dry today? A new study published online ...

For decades, scientists have watched Martian dust devils swirling across the red planet’s dusty surface. Now, using 20 years ...

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the ...

New study shows Mars went through shrinking ice ages, revealing how it lost water and where future missions might find what's ...

Europe’s first Mars rover, the Rosalind Franklin, is closer to launch as the Enfys instrument is sent from Aberystwyth ...

The Perseverance rover’s new findings set the stage for bringing Martian samples back to Earth to test whether microbes once ...

Terraforming is the theoretical process of transforming a planet or moon to make it habitable for humans and other Earth-like ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were carved by rivers, so it was once warm enough for liquid water. How—and ...