Black HolesFebruary 9, 2022
Major African Radio Telescope Will Help to Image Black Holes
The $25-million facility in Namibia will be the continent’s first millimeter-range astronomical observatory
Universe
Black HolesFebruary 3, 2022
Astronomers Find First Ever Rogue Black Hole Adrift in the Milky Way
Weighing in at seven times the mass of our sun, the dark object is by far the best-yet candidate for a free-floating stellar-mass black hole
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Black HolesJanuary 26, 2022
Could Echoes from Colliding Black Holes Prove Stephen Hawking’s Greatest Prediction?
Subtle signals from black hole mergers might confirm the existence of “Hawking radiation”—and gravitational-wave detectors may have already seen them
AstrophysicsJanuary 5, 2022
Astronomers Report a Monstrous Eruption from a Supermagnetic Star
In a fraction of a second, the outburst released as much energy as our sun produces in 100,000 years
AstrophysicsNovember 4, 2021
Hunt for Alien Life Tops Next-Gen Wish List for U.S. Astronomy
A major report outlining the highest priorities and recommendations for U.S. astronomy has finally been released, revealing the shape of things to come
Dark EnergyOctober 28, 2021
Could Gravity’s Quantum Origins Explain Dark Energy?
A potentially transformative theoretical study links a new model of quantum gravity with the universe’s bizarrely accelerating rate of expansion
Artificial IntelligenceOctober 28, 2021
AI Generates Hypotheses Human Scientists Have Not Thought Of
Machine-learning algorithms can guide humans toward new experiments and theories
Extraterrestrial LifeOctober 26, 2021
A Mysterious ‘Alien Beacon’ Was Actually a False Alarm
The radio signal seemed to originate from the star Proxima Centauri and provided a helpful drill for future searches
Quantum PhysicsOctober 21, 2021
Can We Gauge Quantum Time of Flight?
Measuring the time it takes particles to travel between two points may be the best test yet for Bohmian mechanics
OpinionOctober 15, 2021
Was Our Universe Created in a Laboratory?
Developing quantum-gravity technologies may elevate us to a “class A” civilization, capable of creating a baby universe
AstrophysicsOctober 13, 2021
FAST, the World’s Largest Radio Telescope, Zooms in on a Furious Cosmic Source
China’s Five-Hundred-Meter Aperture Spherical Radio Telescope has detected more than 1,600 fast radio bursts from a single enigmatic system
CosmologySeptember 22, 2021
New Type of Dark Energy Could Solve Universe Expansion Mystery
Hints of a previously unknown, primordial form of the substance could explain why the cosmos now seems to be expanding faster than theory predicts