The latest version of Grok for iOS (version 1.1.18) comes with two companions — an anime girl called Ani and a red panda ...

Jezero Crater on Mars was once home to a lake, delta and rivers. See an animation of what it could have looked like when water poured into the crater billions of years ago and present day. Credit: ...

I knew I was alone,” he observed later, “in a way that no earthling has ever been before.” That quote is immortalized on a ...

Science fiction captures the hearts of fans through many mediums. These are the best animated sci-fi movies around.

After nearly 20 years of operations, NASA's Mars Reconnaissance Orbiter (MRO) is on a roll, performing a new maneuver to squeeze even more science out of the busy spacecraft as it circles the Red ...

Elon Musk, who founded SpaceX in 2002, has a bold vision for sending Starship to Mars. Experts weigh in on what's realistic and what's overly optimistic.

NASA's 2026 budget has the Johnson Space Center losing fewer jobs than other centers. But it's also trading well-establish programs for a riskier bet on Mars.

Ars Live: Three space journos pick apart NASA’s Mars plans Join us on the livestream at 3 pm EDT and ask questions about the future of space!

Elon Musk’s space company plans to test the huge experimental vehicle on Tuesday, in its first flight after two explosions this year.

Horizon Journey is an upcoming space survival game that channels Sons of the Forest, No Man's Sky, and The Long Dark, and it's out soon.

In the distant future of the 24½th century, a black duck dressed in a bright green shirt with an oversized red cape is summoned to an outer-space headquarters and given his mission. The world’s ...