Space & Physics

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics models

Today’s large language models are hardly related to the kinds of machine intelligence we see in science fiction, according to Martha Wells, author of the Murderbot Diaries series

A new global overview of Mars suggests dust, rather than water, is the source of mysterious streaks there

The selection of Secretary of Transportation Sean Duffy to temporarily lead NASA adds to the deep political uncertainties already facing the space agency

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and molecules, and laser-wielding scientists are revealing the action

We spoke with NASA astronaut Matthew Dominick in an exclusive, first-ever interview from the cupola of the International Space Station.

The future is bright—too bright—for life as we know it once the sun transforms into a red giant star

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system

Breakthroughs from two rival experiments, Germany’s Wendelstein 7-X and the Joint European Torus, suggest the elusive dream of controlled nuclear fusion may be within reach

This planet triggers flares on its star—spelling its ultimate doom

Launching in 2028, China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts

To achieve its ambitious plans for missions to the moon and beyond, Russia needs other spacefaring nations as partners. But the war in Ukraine is making that help increasingly hard to find