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." ...

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

Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe.

The Indian Ocean "gravity hole" is a region where Earth's mass is reduced, leading to weak gravitational pull, ...

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.

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.