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

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

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

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

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

A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

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

How many of the 160 named volcanoes in the U.S. and territories do you know? If you live in Alaska you have a big advantage.

Black Friday may be a few weeks away, but the deals have already started. We've scoured the web for some of the best early telescope deals, some of which are the cheapest we've seen in years.

Octopus filmed firing stones from her siphon from inside a clam shell like a sniper in never-before-seen behavior captured ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a ...

A new study reveals that the asteroid 2024 PT5, which has been orbiting Earth for 2 months, may have a "lunar origin." ...