Space
Here’s an easier new way to weigh a black hole
The timing of flickers in the gas and dust of a black hole’s accretion disk correlates to its mass, a new study finds.
Space
More Stories in Space
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SpaceExplainer: How auroras light up the sky
The northern and southern lights are considered natural wonders of the world. Here’s how these and related splendid sky glows form.
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SpaceLet’s learn about dark matter
Dark matter is only detectable by the gravitational pull it exerts on visible objects, like stars and galaxies.
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SpaceThis image may be the first look at exomoons in the making
These observations offer some of the best evidence yet that planets around other stars have moons, or exomoons.
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SpaceBorn in deep shadows? That could explain Jupiter’s strange makeup
Dust that blocked sunlight might have caused the gas giant to form in a deep freeze, a new study suggests.
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SpaceCosmic filaments may have the biggest spin in outer space
These rotating threads of dark matter and galaxies stretch millions of light-years. Scientists want to know how their spin begins.
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SpaceMoon-sized white dwarf is the smallest ever found
This dead star is also spinning very fast and has an amazingly powerful magnetic field.
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SpaceSpin in this Milky Way bar may show cosmic dark matter does exist
A method akin to studying a tree’s rings reveals the timeline of a slowdown in those stars at the heart of our Milky Way galaxy.
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SpaceHuge arc of galaxies is surprising and puzzling cosmologists
The arc appears to violate a cosmic rule that on such large scales, matter will be evenly distributed.
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SpaceLight from space has record-breaking energy
Hundreds of newly detected gamma rays hint at environments in the cosmos that accelerate particles to energy extremes.