Mars's water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went.

Two new satellite missions will help NASA scientists better understand Earth and improve the ability to foresee environmental ...

Scientists combined lab radiation experiments, mathematical modeling and Curiosity data to ‘rewind the clock’ about 80 million years — the length of time the rock would have ...

Earth’s habitability may trace back to a precise chemical balance during its formation, one that kept life-critical elements from disappearing into the core or drifting into space.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

It didn’t quite work out that way. Still, Musk never stopped selling the dream, turning up at events in “Occupy Mars” ...

Venus is a planet where surface temperatures can melt lead and pressure crushes anything that lands. And yet, some scientists ...

Last year, Musk said "the moon is a distraction." Now, he's talking about building a city there. The shift may be more ...

The giant Mars sculpture has previously been shown at a number of locations across the UK, as well as in France, Singapore, ...

Mars’ water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went. Data from rovers like Perseverance and Curiosity, along with orbiting satellites such as ...

Remember when “Right Round” was inescapable? Or when “Forget You” became the clean version you belted out in every car ride, ...

The moon pivot is a “bitter pill to swallow" for Mars hopefuls, Eric Berger said at Ars Technica. But it is a realistic one.