Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...