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A decades-old statistical theory claiming humanity could face extinction sooner than expected has resurfaced, sparking fresh debate among scientists and philosophers.

An institution most dedicated to studying the sea has recognised that expertise alone is not enough: Scientists can explain what is happening beneath the waves, but they cannot always ensure that institutional decisions reflect the long-term health of waters.

Scientists have suggested that instead of continuing to keep large amounts of water in Lake Powell, the reservoir should gradually be drained and the water stored in Lake Mead instead.

Another group of red squirrels in Scotland has been infected by a lethal virus carried by grey squirrels that does not affect them. The virus was identified in an adult red squirrel in Dollar, Clackmannanshire, following a post-mortem examination.

For decades, scientists have known that most people of non-African ancestry carry a small amount of Neanderthal DNA, evidence that modern humans and Neanderthals interbred after leaving Africa roughly 50,000 years ago. What has remained far more puzzling is how that DNA is distributed across the human genome, and a new study suggests the answer may lie in which parent was Neanderthal.

For most of human history, the creation of new ocean floor has been something inferred rather than witnessed. Geologists could map ancient scars on the seabed, measure the slow movement of tectonic plates and study volcanic rock brought to the surface, but the actual process of seafloor spreading remained largely hidden beneath kilometres of water.That changed in April 2024 in a remote part of the southern Indian Ocean.

California's thriving ornamental plant industry unintentionally ended up introducing one of the state's most destructive agricultural pests: the glassy-winged sharpshooter. This insect feeds on a wide range of plants, and scientists quickly realised that the greatest threat posed by this species is their ability to spread Xylella fastidiosa, the bacterium responsible for Pierce's disease, a fatal infection in grapevines.

Water is the very foundation of our daily lives. Whether you are filling up a glass from the kitchen tap, cooking a family meal, or splashing around in a local river on a warm afternoon, clean water is something most people hope to take for granted.

Imagine a material that can cling firmly to wet surfaces, repair itself after being damaged and remain flexible under demanding conditions. That vision has moved closer to reality thanks to researchers in Japan, who have developed a new AI-designed super-adhesive hydrogel with exceptional underwater bonding strength.

After a stalled June, the southwest monsoon has returned with intense rain across India. Scientists say El Nino delayed the season, but climate change is amplifying downpours.