Early universe 'fireworks' challenge notions of how stars form
The ancient cosmos may have been packed with tiny star incubators.
Current theories might be wrong about how a galaxy evolves
A dead galaxy discovered with the Hubble telescope doesn’t fit with current understandings.
NASA plans to make a telescope out of the Sun
But there is a catch.
Faintest known galaxy could shed light on the early universe
Scientists have discovered a very tiny galaxy from 13 billion years ago.
NASA's resurrected telescope seeks wandering planets
Kepler will use "gravitational lensing" to spot Milky Way exoplanets.
Here's your clearest view yet of star formation in the early universe
Spotting anything at the edge of the known universe is difficult, but scientists have just managed...
The Big Picture: A far-away supernova split into four
Gravity can play a lot of tricks with light, and we're not just talking about black holes. Take t...