Mars Perseverance rover finds ‘something no one’s ever seen’ in its search for alien life
As well as looking for microbial life, the rover will also bring back samples of Martian geology
Earth is being “followed” by a chunk of the Moon
Scientists don’t know how it might have broken off from the Moon
Venomous sharks discovered in River Thames in ZSL survey
Other species were also found thriving after vital conservation work improved the river’s health since it was declared “biologically dead” in 1957
