China’s space programme will go nuclear to power future missions to the moon and Mars
Astronomers discovered two previously invisible galaxies 29 billion light-years away. Their discovery suggests that up to 1 in 5 such distant galaxies remain hidden from our telescopes, camouflaged by cosmic dust. The finding changes perceptions of our universe’s evolution since the Big Bang.
NASA's Perseverance rover on Mars just snagged its newest rock sample (photos)
