The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward appearances, the object appears to be a comet that originated in another star ...

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

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

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

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

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

Just like Earth, our cosmic neighbor Mars sometimes has auroras dance across its night sky. In March 2024, NASA’s Perseverance Mars rover imaged visible-light auroras for the first time during a major ...

But the claim that NASA announced found life on Mars was false. NASA announced it found promising evidence of potential ancient life on the planet, but more research was needed before scientists could ...

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

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 ...