What's up in

astronomy

Breathless media coverage notwithstanding, the cases for and against a hypothetical Planet Nine in the outskirts of the solar system remain inconclusive.
Abstractions blog

Planet Nine Is Put on Trial in Absentia

Breathless media coverage notwithstanding, the cases for and against a hypothetical Planet Nine in the outskirts of the solar system remain inconclusive.

The Advanced Laser Interferometer Gravitational-Wave Observatory’s third detection further compounds the mystery of why black holes collide.
Abstractions blog

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.

Join David Kaplan on a virtual-reality tour showing how the sun, the Earth and the other planets came to be.
Multimedia

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.

A series of observations at the very edge of the universe has reignited a debate over what lifted the primordial cosmic fog.
astrophysics

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.

After a surprise discovery, astrophysicists are racing to understand superenergetic flashes of radio waves that sometimes beep out from distant galaxies.
astrophysics

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.

The first star map from the ESA’s Gaia space telescope is poised to revolutionize our understanding of the Milky Way galaxy.
Abstractions blog

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.

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.
Abstractions blog

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.

Just months after their discovery, gravitational waves coming from the mergers of black holes are shaking up astrophysics.
astrophysics

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.

The spokesperson for the Laser Interferometer Gravitational-Wave Observatory called it “a promising start to mapping the populations of black holes in our universe.”
Abstractions blog

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.”