Scientists find vast ocean of liquid water on mars

The prospect of life on Mars – Earth’s planetary next-door neighbour, an alien world that betrays tantalising hints of a watery past – has bewitched humanity for centuries. From the ‘canals’ seen by a

A heartbeat-like pulse has been discovered beating deep beneath East Africa – and it’s ripping the continent apart. The strange thumping is caused by a rhythmic surge of molten mantle rock rising and

I found your recent article Are We Aliens? (June, p62) very interesting. I noticed it mentioned that samples from the Mars Sample Return mission would “give us further clues” about the panspermia theo

What the scientists are saying… The oldest ...

Mars is a pretty horrible place for any creature used to life on Earth. The average surface temperature is -63°C (-81°F) and doesn’t reach above freezing anywhere except right on the equator, during t

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi