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The Hidden Magnetic Universe Begins to Come Into View
Astronomers are discovering that magnetic fields permeate much of the cosmos. If these fields date back to the Big Bang, they could solve a major cosmological mystery.
This Cosmologist Knows How It’s All Going to End
The astrophysicist and social media phenom Katie Mack is ready to tell you about the fate of the universe.
A Surprise Discovery Points to the Source of Fast Radio Bursts
After a burst lit up their telescope “like a Christmas tree,” astronomers were able to finally track down the source of these cosmic oddities.
What Might Be Speeding Up the Universe’s Expansion?
Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space.
Why Are Black Holes So Bright?
And why is the black hole at the center of our own galaxy so dim?
How the Cosmic Dark Ages Snuffed Out All Light
The recent discovery of some of the first galaxies in the universe illuminates the darkest era in cosmic history.
New Wrinkle Added to Cosmology’s Hubble Crisis
A problem confronts cosmology: Two independent measurements of the universe’s expansion give incompatible answers. Now a third method, advanced by an astronomy pioneer, appears to bridge the divide.
‘Radical Change’ Needed After Latest Neutron Star Collision
A recent neutron star merger has defied astronomers’ expectations, leading them to question longstanding ideas about neutron stars and the supernovas that create them. “We have to go back to the drawing board.”
New Exoplanet Search Strategy Claims First Discovery
By watching for a special kind of flare, astronomers have identified the fingerprints of an Earth-size planet orbiting a distant star.