Ecosystems like wetlands emit more carbon as temperatures rise. By 2100, such feedback loops will increase warming by 20 to 30 per cent more than anticipated

An influx of immune cells into the uterus may be what initiates childbirth. These grab on to muscle cells via tiny tubes and send across mitochondria to provide energy for contractions

A group of astronomers proposes that a series of events in a distant galaxy formed both a black hole and a pulsar, but other experts say the conclusion is premature

A dinosaur, possibly a young Tyrannosaurus rex, excreted a bird 66 million years ago, and one of its feathers is exquisitely preserved in the fossilised dropping

Since OpenAI announced its solution to one of the prestigious Millennium Prize Problems, mathematicians have been urgently trying to unpick what it means

If the carbon dioxide in the atmosphere declines, the Southern Ocean is likely to begin emitting more carbon than it absorbs, prolonging global warming