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astronomy

Abstractions blog

For Astronomers, Neutron Star Merger Could Eclipse Eclipse

Even as the solar eclipse was mesmerizing millions, astronomers were training their space- and land-based telescopes on a far more violent astrophysical event.

Jay Pasachoff
Q&A

Eclipse Hunter Reveals the Science That Can Only Be Done in the Dark

Even in the age of sun-observing satellites, astronomers like Jay Pasachoff still seek out total solar eclipses for the tales they can tell about our sun.

Kuiper belt objects, planet nine
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.

Black hole merger
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.

Journey to the Birth of the Solar System
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.

Light from the first galaxies clears the universe.
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.

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.

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.

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.