Featured in Einstein
How old is the universe? Our answer keeps getting better.
After thousands of years, we’re getting more consistent age estimates.
The Nobel Prize in physics honors insights on black holes—including the one in our own galaxy
Their work builds upon Einstein’s general theory of relativity.
Time isn’t real. Here’s how people capitalized on that.
Louis Armstrong and Albert Einstein showed that hours, minutes, and seconds can be stretched by perception and experience.
How astronomers weigh the universe (and everything in it)
You’d be hard pressed to find a big enough scale, but it’s basically the same idea.
This ‘chameleon theory’ explains things about gravity that Einstein couldn’t
But we're not quite ready to trash general relativity.
Three gravitational wave detectors are much better than two
Virgo will help LIGO locate colossal cosmic collisions.
Transparent frogs, solar arrays that look like fruit roll-ups, and other amazing images of the week
Einstein Emoji, A Tsunami Of Stars, And More
Our 10 favorite images of the week
Albert Einstein Now Has His Own Emoji Keyboard
How the late famed physicist became an icon on your phone
Scientist Thinks He’s Proven Hawking’s Theory That Black Holes Glow
Hawking radiation observed in a homemade black hole analogue