Determining the "loudest recorded sound" depends on how you define sound and on which measurements you choose to include.

Science books provide the ultimate deep dives into our favorite subjects, whether it’s the inner workings of the brain, ...

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Astrophysicists in New York have created terrifying simulations of how black holes naturally create dazzling displays ...

Surprisingly, some of the universe's brightest objects are black holes. As scorching gas and dust flow around and into a ...

When I was five years old, my family moved into a 1930s semi-detached house with a long strip of garden. At the end of the garden was a miniature orchard of eight apple trees the previous owners had ...

Tracking the first astronauts’ visit to Mars won’t be as simple as watching a clock or marking days off of a calendar. Thanks ...

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

Could a black hole on Earth ever exist? What would happen if it did? Join Hank Green for a fascinating video about the Large ...

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.