When interstellar comet 3I/ATLAS was first examined in detail last summer, its gas cloud was swimming in carbon dioxide, ...

The size of waves on alien worlds will depend as much on the characteristics of the liquid as well as the gravity.

The heat shield on Artemis 2's Orion capsule held up well during its scorching downward trip through Earth's atmosphere, ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in the 1970s shows it belongs to a close relative of Tyrannosaurus rex that ​predated that huge meat-eating ...

A hilarious and instantly memorable Ann Dowd drops by Hacks to give Deborah Vance a lesson in fandom and humility.

Scientists find that planets need more than water to support life. Too little water may cause long-term overheating and ...