Elon Musk aims to colonize Mars despite challenges such as its extreme climate, thin atmosphere, and lack of liquid water.

Children are always asking "Why?" As they experience things for the first time, it's natural to want to find out more. But as ...

Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

As an asteroid mining start-up's latest mission goes awry, Josh Sims look at how close we really are extracting rare minerals ...