Albert Einstein's 100-year-old theory about the speed of light has been proven.
NASAs Chandler Observatory
"It was definitely high risk, high reward, I guess."
Astronomers watch the galactic equivalent of a dog with a bone.
Getty Images/Flickr RF
'It will be a very dramatic change in the sky.'
Edwin Remsberg via Getty Images
The night sky belongs to us.
What would Van Gogh’s "Starry Night" look like if he lived today?
The chance discovery of a collection of young red dwarf stars close to our solar system could give astronomers a rare, slow-motion glimpse at planet formation. Large discs of dust were found around tw...