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Astronomy
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Latest Black Hole Collision Comes With a Twist
The Advanced Laser Interferometer Gravitational-Wave Observatory’s third detection further compounds the mystery of why black holes collide.
Journey to the Birth of the Solar System
Join David Kaplan on a virtual-reality tour showing how the sun, the Earth and the other planets came to be.
Discoveries Fuel Fight Over Universe’s First Light
A series of observations at the very edge of the universe has reignited a debate over what lifted the primordial cosmic fog.
A Cosmic Burst Repeats, Deepening a Mystery
After a surprise discovery, astrophysicists are racing to understand superenergetic flashes of radio waves that sometimes beep out from distant galaxies.
From Gaia, a Twinkling Treasure Trove
The first star map from the ESA’s Gaia space telescope is poised to revolutionize our understanding of the Milky Way galaxy.
Responding Rapidly to Big Discoveries
How do scientists react to major breaking science news? For astrophysicists after the big gravitational waves announcement, it was meeting for two weeks in Santa Barbara, California.
Colliding Black Holes Tell New Story of Stars
Just months after their discovery, gravitational waves coming from the mergers of black holes are shaking up astrophysics.
LIGO Reports Second Black-Hole Merger
The spokesperson for the Laser Interferometer Gravitational-Wave Observatory called it “a promising start to mapping the populations of black holes in our universe.”
A Glimpse Through a Cosmic Keyhole
What could cause galaxies millions of light years apart to all spew material in the same direction?