Adding olivine to the ocean could remove CO2 from the atmosphere, and a pilot project in New York state found no signs of adverse effects on seafloor organisms

A record-breaking new version of Starship, due to launch within days, could form the basis of NASA's ambitious Artemis programme that aims to put humans back on the moon as soon as 2028

Global warming already threatens to destabilise the Atlantic Meridional Overturning Circulation, and new research shows that regional clean-air policies could reduce its strength further

CAR T-cell therapy has been hugely successful in treating certain types of tumours, and stiffening up cancer cells beforehand could make it even more effective

The creaky noise known as vocal fry that people generally associate with young women – and some find irritating – is actually more common in men

Partially burnt trees still standing after a wildfire are typically felled and burned, but a US start-up claims burying them instead will trap the carbon underground for centuries