Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

Elon Musk appears at Davos for the first time, speaking on stage at World Economic Forum in Switzerland. Speaking directly with co-host Larry Fink, Elon says self-driving is basically solved, pointing ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

Scientists found that microgravity fundamentally slows the infection cycle, pushing phages to become hyper-efficient at ...

From moon hotels and billionaire space tourism to SETI’s 21-year search for alien technosignatures, and a censored UFO ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

The findings are a big clue as to why the far and near hemispheres of the moon look so different.

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...

A colossal asteroid-like invader once ripped through the lunar crust, flinging out rings of mountains and scooping out a ...

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...