Nasa may have unknowingly found and killed alien life on mars 50 years ago, a scientist claims

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

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

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

Long ignored by scientists, cosmic dust is becoming an increasingly important field of study

Mars is perhaps the most interesting, and certainly ...

What the scientists are saying… Neanderthals feasted ...