Space
Half the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
Cosmology
More Stories in Cosmology
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PhysicsPhysics Nobel awarded for discoveries about the universe’s evolution and exoplanets
Three scientists share the 2019 Nobel Prize in physics for revealing what makes up our cosmos and for finding the first planet orbiting a sunlike star.
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CosmologyA new book explores how the concept of the multiverse has evolved
Tom Siegfried, author of ‘The Number of the Heavens,’ discusses what the multiverse has meant to great thinkers throughout history.
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CosmologyDebate over the universe’s expansion rate may unravel physics. Is it a crisis?
Measurements of the Hubble constant don’t line up. Scientists debate what that means.
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CosmologyScientists still can’t agree on the universe’s expansion rate
A mismatch in measurements of how fast the universe is expanding might not be real, a study hints.
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ChemistryCarbon plays a starring role in the new book ‘Symphony in C’
In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.
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AstronomyIn a first, magnetic fields have been spotted between two galaxy clusters
The discovery of magnetic fields in the gaseous filament between two galaxy clusters suggests that some large cosmic structures are magnetized.
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CosmologyHidden ancient neutrinos may shape the patterns of galaxies
The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.
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CosmologyA cosmic flare called the ‘Cow’ may reveal a new way that stars die
A burst of light from far away may have been an odd type of exploding star or a white dwarf being eaten by a black hole.
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CosmologyA second repeating fast radio burst has been tracked to a distant galaxy
Astronomers have spotted a second repeating fast radio burst, and it looks a lot like the first.