Even the Hubble Space Telescope's backup computer is glitching - raising questions about what's gone wrong
Jupiter, Saturn about to appear closer in sky than they have for 800 years, aligning as 'double planet'
A new space telescope is about to take an unprecedented look at alien planets circling distant stars. Watch it launch live.
A handful of new telescopes are about to transform the hunt for alien life and our understanding of the universe itself
Scientists detected the brightest light in the universe for the first time, following a mysterious explosion in space
The universe is expanding faster than scientists thought, a study confirms — a 'crisis in cosmology' that could require a 'new physics'
NASA's Hubble space telescope just took incredible photos of a visiting comet from another star system
Satellite collisions may set off a space-junk disaster that could end human access to space. Here's how.
'No image will surpass this': Hubble telescope astronomers created a stunning picture of the deep universe with 16 years' worth of photos
A South African recorded Saturn 'touching' the moon with his phone, and the stunning pictures are going viral across the world
