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Astrophysics

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For Astronomers, Neutron Star Merger Could Eclipse Eclipse

August 25, 2017

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

Scientists Unveil New Inventory of Universe’s Dark Contents

August 3, 2017

The first major results from the Dark Energy Survey signal the start of a new era of cosmology.

Cookie-Cutter Supernovas Might Come in Different Flavors

July 31, 2017

Astronomers thought that all Type Ia supernovas shine with the same brightness, making them incredibly useful cosmic yardsticks. But uncertainty over what causes these explosions has led researchers to reconsider their assumptions.

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Black-Hole Hunter Takes Aim at Einstein

July 27, 2017

The astrophysicist Andrea Ghez spent two decades proving that a supermassive black hole anchors the center of the Milky Way galaxy. Her new plan? Test what happens when things get too close.

Lucky Break Leads to Controversial Supernova Discovery

July 5, 2017

Supernova hunters were able to train their telescopes on a recent eruption just hours after it exploded. What they found only adds to the growing list of questions surrounding these cosmic blasts.

Strange Noise in Gravitational-Wave Data Sparks Debate

June 30, 2017

The team that discovered gravitational waves put their data online. Now an independent group of researchers claims that they’ve found what might be a serious problem.

Researchers Check Space-Time to See if It’s Made of Quantum Bits

June 21, 2017

The newly developed theory of emergent gravity, proposed as an alternative to dark matter, struggles in one of its first trials.

Rainer Weiss, Remembering the Little Room in the Plywood Palace

June 15, 2017

The physicist who designed the LIGO experiment that detected gravitational waves still holes up in a small basement lab surrounded by electronics and optical instruments.

How Superfluid Dark Matter Mimics an Old Idea About Gravity

June 13, 2017

Does the force of gravity change at large scales? Perhaps not, but a new theory of dark matter shows why that could appear to be the case.

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