Space & Physics

Smashing a spacecraft into a binary asteroid system has managed to alter its path around the sun, a new analysis reveals

U.S. lawmakers are moving to delay the International Space Station’s retirement, giving more time for commercial replacements to be built

Satellites are wonders of modern technology that have improved all of our lives. But having more than a million of them in orbit could destroy our view of the heavens and seriously damage our planet

Earthlings aren’t the only ones safe from a city-wrecking-sized asteroid. Future lunar inhabitants won’t have to worry about a strike in 2032 either

New insights into a tiny, tough microbe have huge implications for the search for life beyond Earth

A new catalog of gravitational waves more than doubles the known number of these spacetime ripples

The space-based telescopes Hubble and Euclid combined forces to capture the vibrant remains of a dying star in stunning new detail

Don’t worry if you missed Tuesday’s total lunar eclipse. These images show the celestial marvel from around the world

Russia’s war has left many of Ukraine’s world-class observatories in ruins—but the besieged nation’s astronomers already have plans to rebuild and recover

The strange case for prime numbers at the heart of physics

The Trump administration’s war with Iran over its nuclear ambitions raises new questions about the country’s uranium stockpile

A total lunar eclipse is set to grace the sky on Tuesday. Here’s how to see it