Scientists have offered a new explanation for why COVID-19 vaccines that contained adenoviruses carried a rare-but-serious risk of blood clotting.
After the warmest autumn ever, researchers are confident 2023 will be the hottest year on record before it has even finished.
Drug regulators have approved a CRISPR therapy called Casgevy to treat inherited blood disorders. But what is it and how does it work?
The FDA approved two new therapies for sickle-cell disease, including the world's first-ever approved CRISPR therapy.
Paleontologists have found two pairs of hind legs from a small, bird-like dinosaur in the stomach of a juvenile Gorgosaurus unearthed in Canada. It is the first time that any food remains have been discovered within a tyrannosaur.
A new study re-examining old fossils collected by a Colombian priest more than 50 years ago has found they are actually rare hatchling turtles.
DNA from a supposed Abominable Snowman actually came from a horse, but that doesn't mean stories of the Yeti passed on by local people aren't important.
A weird phenomenon in which electricity flows like water was spotted in a nanowire made of "strange metal" — a bizarre metal phase that has stumped physicists for 40 years.
If dark matter is made from "dark" versions of the basic building blocks of ordinary matter, the world's largest particle accelerator should be able to pin it down, a new study suggests.
Why does ice float in water, instead of sinking to the bottom? It has to do with water's density and molecular structure.
Far from any galaxy, icy grains of dust in deep space may be able to form organic molecules, a new preprint study finds.
Tiny biological robots can move on their own, assemble into 'superbots' and encourage nerve cells regrow.