Celestial object may help unlock mysteries of the early universe
Astronomers spotted a super-bright quasar 13 billion light-years away and it could help shed light on how the universe formed.
Super-Earth exoplanet discovered orbiting a star just 6 light-years from our sun01:29
Could this cosmic interloper be an alien spacecraft? Neil deGrasse Tyson isn’t so sure03:52
'A bumpy ride ahead': Astronomer Martin Rees on humanity's chance of surviving the 21st century03:48
The search for alien life in Nevada05:09
Deep Fakes: How they’re made and how they can be detected04:14
Mount Etna is sliding into the sea. It could be catastrophic02:07