World

#This Harvard professor claims an alien spaceship visited us in 2017

#Earth’s magnetic reversal 42,000 ago triggered apocalyptic climate change — could that happen again?

#Move over Farout, Farfarout is now the most distant object in our solar system

#The 7 planets of the TRAPPIST-1 system are identical — here’s what we can learn from them

#How ‘gravitational waves’ will change astronomy as we know it

#How China could win 2021’s space race and take Mars as its prize

#Gaseous mix up: Scientists thought there could be life on Venus, but there’s not

#Satellites orbiting Earth are increasing like crazy — how do we prevent them from crashing?

#Vá! 3 billion years ago, Mars looked a lot like Iceland

#Earth has been habitable for billions of years — simulations show it was ‘just luck’

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