Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks on Mars, do these fractures follow a hidden geometric script? Could similar ...

A very rare treat is about to grace Earth's night skies.

“Perhaps it’s only a matter of time, and maybe other planets are able to achieve these conditions more rapidly than Earth did, while other planets might take even longer.” The scientists ...

The hoopla has culminated this month in speculation about an incredible seven-planet alignment appearing in the cosmos. But if you look up later this week expecting to see the other seven planets ...

Are we alone in the universe? Probably not, say a group of scientists who believe there’s a good chance aliens are populating other planets outside our solar system. This idea is controversial ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

On this week's episode: big bird intelligence, astronauts should jump, sheep and human history, and a tiny great ape.