Chinese scientists claim they have made a converging energy beam weapon — but did they really, or have they been watching too much Star Wars?

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...

Miles of air cover Earth. The boundary between Earth's atmosphere and outer space, the Kármán line, is about 62 miles (100 kilometers) above the planet's surface. However, about 99.9% of the mass of ...

Generative AI could saddle the planet with heaps more hazardous waste than ever before.

Black holes have captivated scientists for more than a century. How well do you know these supermassive wonders of the universe?

This bright green sea creature contains a toxic pigment that protects it from predators, kills bacteria and determines the ...

On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated.

Discover why the best aurora displays occur after solar maximum, and why 2026-2027 could be the year of the northern lights.

Wolves in Ethiopia that lick the flowers of the "red hot poker" flowers are the first known large carnivores to eat nectar.

A five-year leak on a Russian module of the International Space Station has gotten worse over time. Now, NASA and Russia's ...

A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." Astronomers hope the event will reveal vital secrets about the often-violent ...

Brain scans of modern listeners suggest that Aztec whistles sound like human screams, which may have prepared sacrifice ...