Missing enzymes may cause troublesome knots to appear in DNA.
A spellbinding new video captures a Gentoo penguin's point of view as it feasts on a giant ball of sardines alongside diving albatross and cormorants.
The black diamond known as the "Enigma" will soon be sold at auction, but experts are unsure about the origins of the stunning gem.
The researchers hope to use the estimate to figure out the mystery of how supermassive black holes came to be.
The experiment was intended to assess the safety of such transplants, prior to them being tested in clinical trials.
Scientists discovered a new type of parasitic worm that only infects the mouths of tarantula spiders.
NASA's Curiosity rover has found some interesting organic compounds that may be signs of ancient Mars life, but much more work is needed to vet that hypothesis.
The Doomsday Clock debuted 75 years ago to highlight the threat of nuclear weapons to our survival as a species, a risk now accompanied by escalating climate change and global pandemics.
The 3,000-year-old tombs of a wealthy clan, including warriors and warhorses that may have been sacrificed, have been unearthed in an ancient capital city of China.
The volcanic eruption that destroyed a Polynesian island on Saturday injected ash into record altitude but won't cause any disruption to Earth's climate, experts said.
Rumors are swirling after a Tyrannosaurus rex skull was spotted in the home of The Rock in a recent interview. But is it real or a cast?
New aerial photos show a blanket of dust and ash covering the Pacific nation of Tonga following a massive underwater volcanic eruption.
The new explanation suggests that giant, sinking slabs of titanium could have jump-started the moon's magnetosphere.
If you've had omicron, should you get a booster, and if so, how long should you wait after the infection has passed?