
The Strange Hearts of Neutron Stars
Space observations are poised to reveal more about the centre of one of the Universe’s most enigmatic objects

The Strange Hearts of Neutron Stars
Space observations are poised to reveal more about the centre of one of the Universe’s most enigmatic objects

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

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

Neutron Stars: Nature’s Weirdest Form of Matter
The insides of neutron stars—the densest form of matter in the universe—have long been a mystery, but it is one that scientists are starting to crack

How Visiting Venus Will Help Us Find Life on Distant Planets
What Venus can teach us about planets far beyond our own solar system

Celestial Movement
A viewing calendar for what to see in the February and March night sky

Gravitational-Wave Astronomers Detect Hints of Largest Black-Hole Merger Yet
Physicists at the LIGO experiment have now detected 11 cosmic events that produce ripples in the fabric of space-time