22 April 2020
Extraterrestrial oceans are an obvious place to search for alien life, but getting there and having a look won't be easy, says NASA's Kevin Hand in his book Alien Oceans
22 April 2020
New images reveal threads of ultra-hot gas woven throughout the sun's corona, in the most detailed look at previously unseen parts of the atmosphere of our closest star
22 April 2020
The coronavirus pandemic is making life feel slower than ever, but observing timescales across the universe can bring us some comfort, writes Chanda Prescod-Weinstein
20 April 2020
The interstellar comet Borisov, which flew past Earth in December, is full of carbon monoxide ice that implies its home star is smaller and colder than our sun
16 April 2020
Arrokoth, a strange two-lobed space rock, was hit by another rock at some point – the collision may have snapped Arrokoth’s narrow neck before it reformed again
14 April 2020
Spending at least six months in microgravity can cause astronauts’ brain volumes to increase, causing pressure to build up in their heads and creating vision problems
