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Four specialists in the hunt for extraterrestrial life tell E
TRAPPIST-1 is a red dwarf star located about ...
When comet 3I/ATLAS was discovered in July, on a one-way interstellar journey through our Solar System, Harvard astronomer Avi Loeb suggested it might be an alien spacecraft paying us a visit. Back in
How our knowledge of these worlds beyond the Solar System has exploded in the last three decades
From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe
This October marks 50 years since a heavily shielded spacecraft, the Soviet Union’s Venera 9, parachuted into the atmosphere of Venus. Then, having landed, it did something extraordinary: it beamed ba
A detailed study of rocks on the Red Planet has revealed intricate patterns resembling leopard spots – “the clearest sign of life we’ve ever found on Mars,” according to NASA’s acting administrator Se
