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Cloud-Making Aerosol Could Devastate Polar Sea Ice

February 23, 2021

An overlooked but powerful driver of cloud formation could accelerate the loss of polar sea ice.

Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos

February 17, 2021

One black hole is nice, but astrophysicists can do a lot more science with 50 of them.

In Violation of Einstein, Black Holes Might Have ‘Hair’

February 11, 2021

A new study shows that extreme black holes could break the famous “no-hair” theorem, and in a way that we could detect.

Q&A

What Dust From Space Tells Us About Ourselves

February 4, 2021

Micrometeorites constantly fall on every corner of Earth. Matthew Genge is using these shards of interplanetary space to understand Earth and its place in the solar system.

Rumbles on Mars Raise Hopes of Underground Magma Flows

February 1, 2021

Small and cold, Mars has long been considered a dead planet. But a series of recent discoveries has forced scientists to rethink how recently its insides stopped churning — if they ever stopped at all.

‘Unicorn’ Discovery Points to a New Population of Black Holes

January 27, 2021

Small black holes were nowhere to be found, leading astronomers to wonder if they didn’t exist at all. Now a series of findings, including a “unicorn” black hole, has raised hopes of solving the decade-long mystery.

Physicists Study How Universes Might Bubble Up and Collide

January 25, 2021

Since they can’t prod actual universes as they inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process.

Secret Ingredient Found to Power Supernovas

January 21, 2021

Three-dimensional supernova simulations have solved the mystery of why they explode at all.

Q&A

The NASA Engineer Who’s a Mathematician at Heart

January 19, 2021

Christine Darden worked at NASA for 40 years, helping make supersonic planes quieter and forging a path for women to follow in her footsteps.

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