News
A spiderweb of wormholes could solve a fundamental paradox...
A seemingly intractable black hole paradox first proposed by physicist Stephen Hawking could finally be resolved — by wormholes through...
Why did Russian cosmonauts wear Ukraine-flag colors?
Three cosmonauts donned Ukraine-flag colors when boarding the space station, but now the Russians say the fashion choice had nothing...
Why aren't there polar bears in Antarctica?
Polar bears evolved during a time when the North and South poles were not connected by ice or land, so they stayed at the North Pole.
Equinox: Definition, facts & what happens during one
Equinoxes occur twice a year when the sun is directly above the equator, and herald the beginning of spring and autumn.
Russia strikes Ukraine with new hypersonic missiles: Here's...
Russia claims to have used its Kinzhal hypersonic missiles for the first time, in its invasion of Ukraine. Here's why these super-fast...
Ferocious 'Ocucaje Predator' was a sea serpent-like mammal...
Researchers uncovered the skull of a 40-foot-long marine predator from 35 million years ago in Peru's Ocucaje Desert
Could the secret of supermassive black holes lie in ultralight...
Though scientists know there's a supermassive black hole at the center of most galaxies, they can't explain how the gravitational...
What is the Mandela effect? And have you experienced it?
The Mandela effect is when many people believe that something happened when, in reality, it never did.