
This Black-Hole Collision Just Made Gravitational Waves Even More Interesting
An unprecedented signal from unevenly sized objects gives astronomers rare insight into how black holes spin

This Black-Hole Collision Just Made Gravitational Waves Even More Interesting
An unprecedented signal from unevenly sized objects gives astronomers rare insight into how black holes spin

Meet “Spikey,” a Possible Pair of Merging Supermassive Black Holes
A flare predicted for this spring could confirm the object is indeed two monstrous black holes coming together


Did Astronomers Just Discover Black Holes from the Big Bang?
Gravitational waves attributed to the collision of two neutron stars could have been produced by something much stranger

Hidden Passage: Could We Spy a Traversable Wormhole in the Milky Way’s Heart?
Anomalous motions of stars orbiting our galaxy’s central supermassive black hole might reveal the existence of long-hypothesized tunnels through spacetime

Giant “Bubbles” Spotted around the Milky Way’s Black Hole
First major result from South Africa’s pioneering MeerKAT radio telescope reveals remnants of energetic explosions at the galaxy’s center

Supergravity Snags Super Award: $3-Million Special Breakthrough Prize
The theory, which emerged in the 1970s as a way to unify the fundamental forces of nature, has profoundly shaped the landscape of particle physics

An Exit Chute from the Universe: The Story of a Historic Effort to Image a Black Hole
After more than a decade of effort, a global network of radio telescopes revealed the first-ever picture of an enigmatic hole in spacetime

At Last, a Black Hole’s Image Revealed
The Event Horizon Telescope captures one of the universe’s most mysterious objects

Found: A Quadrillion Ways for String Theory to Make Our Universe
Stemming from the “F-theory” branch of string theory, each solution replicates key features of the standard model of particle physics

Do We Actually Experience the Flow of Time?
Subjective experience must inform physics and philosophy, but it should be assessed carefully

How Did Life Begin?
Untangling the origins of organisms will require experiments at the tiniest scales and observations at the vastest

LIGO’s Latest Black-Hole Merger Confirms Einstein, Challenges Astrophysics
New results from the gravitational wave observatory hint that black holes move in mysterious ways