Is it a bird? Is it a spaceship? No… it’s a non-rigid airship

Although it’s by no means certain, scientists are slowly accumulating evidence that life once existed on the Red Planet

Projecting our consciousness into other bodies and walking on alien worlds might not be such a far-flung concept

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?

An artist’s impression of Cha 1107-7626 accreting material ...

Amazing answers to your curious questions