NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was ...

If rocks could talk, this one (NWA 16788) would have a great tale to tell. It was ejected from its own planet by a massive ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

What can the climate history of Mars teach scientists about whether the Red Planet once had the ingredients for life as we ...

Researchers have successfully grown green algae in a specialized bioplastic “shelter” designed to mimic Mars. The Harvard ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

Mars Ingenuity helicopter's 59th flight was captured by the Perseverance rover's Left Mastcam-Z camera. Credit: Credit: Space ...

"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure ...

Observing Mars with probes If you look closely at pictures of Mars taken by rovers on its surface, you can see that most of the planet isn’t purely red, but more of a rusty brown or tan color.

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to ...