Nasa astronauts Christina Koch and Jessica Meir in all-women spacewalk
Two female astronauts made history as they replaced a power unit on the International Space Station.
Author Archives: BBC News - Science & Environment
Satellites to monitor whale strandings from space
Scientists are developing the techniques to spot mass stranding events from orbit.
Why a brainless yellow ‘blob’ that can learn is mystifying scientists
A yellow organism, which looks like fungus but acts like an animal, has gone on display at a Paris zoo.