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astronomy

Photo of Priya Natarajan
Q&A

An Astrophysicist Who Maps the Universe’s Terra Incognita

Priyamvada Natarajan has pioneered the mapping and modeling of the universe’s invisible contents, especially dark matter and supermassive black holes.

Art for "Missing Galaxies? Now There’s Too Many"
astrophysics

Missing Galaxies? Now There’s Too Many

Astronomers couldn’t find enough satellite galaxies orbiting the Milky Way. Now they have the opposite problem.

Art for "New Studies Rescue Gravitational-Wave Signal From the Noise"
gravitational waves

New Studies Rescue Gravitational-Wave Signal From the Noise

Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.

Ewine van Dishoeck at Noordwijk beach in the Netherlands.
Thinking Places

Ewine van Dishoeck, the Netherlander Who Traced Water’s Origin

The astrochemist and winner of the 2018 Kavli Prize in Astrophysics has wondered about the cosmic origin of water while enjoying Noordwijk beach near her hometown of Leiden.

Photo of Mario Jurić
Q&A

Prepping for a Flood of Heavenly Bodies

Mario Jurić is leading the push to get astronomy ready for the torrents of data that are about to flow.

Art for "Interstellar Visitor Found to Be Unlike a Comet or an Asteroid"
astronomy

Interstellar Visitor Found to Be Unlike a Comet or an Asteroid

The mystery of ’Oumuamua, the first interstellar object ever observed, continues to deepen.

Art for "Planets Found to Be Larger Than the Disks They Come From"
astrophysics

Planets Found to Be Larger Than the Disks They Come From

The new finding is challenging established theories of how planets come to be.

Photo of the sun
Abstractions blog

What Is the Sun Made Of and When Will It Die?

If and when physicists are able to pin down the metal content of the sun, that number could upend much of what we thought we knew about the evolution and life span of stars.

Illustration for "Why Can’t We Find Planet Nine?"
Abstractions blog

Why Can’t We Find Planet Nine?

Astronomers suspect that there’s a large planet hiding out in the distant fringes of the solar system. At a recent workshop, they brainstormed ways to coax it into view.