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

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

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 ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

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

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

After dusk on Friday night, seven planets are expected to align in the night sky. But you'll need binoculars or a telescope ...

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 ...

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.

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

In other parts of the world, the phenomenon will be best visible in early March. Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn. Mars will ...