Could ancient microbes still be hiding on Mars—preserved for millions of years in ice? A new NASA and Penn State study ...

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

Scientists have discovered what is causing sinuous gullies to form on Mars' southern sand dunes in the springtime, unlike any ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

The former NASA astronaut and the agency’s 14th administrator says it’s not a matter of if we go to the Red Planet — but when ...

His team combined 20 years of data from two European spacecraft: the Mars Express, in orbit since 2004, and the ExoMars Trace ...

Dust devils form when the planet’s surface heats up, pushing hot air close to the ground rapidly up through cooler air above.

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

The images offer the closest view yet of comet 3I/ATLAS, famous for being only the third known interstellar object to pass ...

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending ...

ESA uses a camera in ExoMars Trace Gas Orbiter to capture 3I/ATLAS when it was 18.6 million miles from the Red Planet.

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.