Physics
Gravitational waves confirm a black hole law predicted by Stephen Hawking
The first black hole merger detected by LIGO affirms that the surface area of a black hole can increase over time, but not decrease.
Astronomy
More Stories in Astronomy
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AstronomySome fast radio bursts come from the spiral arms of other galaxies
Tracking five brief, bright blasts of cosmic radio waves to their origins suggests their sources form quickly in regions with lots of star formation.
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AstronomyRecord-breaking light has more than a quadrillion electron volts of energy
Hundreds of newly detected gamma rays hint at cosmic environments that accelerate particles to extremes.
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AstronomyWatch this beautiful, high-resolution simulation of how stars are born
The STARFORGE simulation follows a giant gas cloud as it collapses into new stars, accounting for all the phenomena thought to influence the outcome.
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AstronomyThe Milky Way may have grown up faster than astronomers suspected
Most of the galaxy’s disk was in place before a merger 10 billion years ago with a dwarf galaxy called Gaia-Enceladus/Sausage, a new study suggests.
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AstronomyA study of Earth’s crust hints that supernovas aren’t gold mines
Supernovas aren’t the main source of gold, silver and other heavy elements, a study of deep-sea crust suggests.
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SpacePlanet-forming disks around stars may come preloaded with ingredients for life
Methanol spotted around a hot, young star probably originated in interstellar space, suggesting some chemistry for life may start before stars form.
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AstronomySaturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
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SpaceA rare glimpse of a star before it went supernova defies expectations
A hydrogen-free supernova in a nearby galaxy appears to have come from an unusual source.
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SpaceStars made of antimatter could lurk in the Milky Way
Fourteen celestial sources of gamma rays provide preliminary hints of matter colliding with “antistars” in our galaxy.