early universe
Scientists Think the Speed of Light Has Slowed, and They're Trying to Prove It
A controversial theory that would overturn Einstein’s theory of general relativity could soon be tested.
Europe Is Testing Its Gravitational Wave Detector Tech in Space
The LISA Pathfinder mission is testing technology for a different type of gravitational wave detector—1.5 million kilometres from Earth.
Hubble Finds 250 of the Faintest, Earliest, and Farthest Galaxies Ever Imaged
These diminutive galaxies helped spark the epoch of reionization.
Advertisement
The First Stars May Have Been 100 Million Times Brighter Than the Sun
When the James Webb Space Telescope looks back in time, is this what it will see?
Up to Half of the Stars in the Entire Universe Are Lonely Orphans
A sounding rocket discovered that about half of the universe’s stars are lost in intergalactic space. Can you hear us, Major Toms?
Advertisement
This Superluminous Supernova Does Not Care About the Laws of Physics
The supernova known as DES13S2cmm plays by its own rules.
Advertisement