A peer-reviewed paper about Chinese startup DeepSeek's models explains their training approach but not how they work through ...

Irritability is a normal response to frustrations, but it can sometimes signal an underlying mental health disorder, like ...

The late-summer bloom of heather in the Wicklow Mountains of Ireland coats the range in lovely purple flowers. Beekeepers ...

Lamniform sharks such as great whites and tiger sharks are famous for their size. The first such giants evolved 15 million ...

Tantalizing results from small trials and anecdotes raised hopes that drugs like Ozempic could help. Despite setbacks, ...

Stalagmite data suggest Homo floresiensis faced prolonged drought that stressed both them and their prey, contributing to ...

A closeup look at colibactin’s structure reveals chemical motifs that guide its mutation-wreaking “warheads” to specific stretches of DNA.

A reshaped vaccine committee voted to scale back newborn hepatitis B shots despite decades of data showing the birth dose is safe, effective and vital.

Tiny cameras threaded inside a Neandertal skull provide evidence that their big noses were not an adaptation to cold climates.

The modern house cat reached China in the 8th century. Before that, another cat — the leopard cat — hunted the rodents in ancient Chinese settlements.

Human activity can cause “healed” faults to release their stored strength, triggering unexpected quakes in tectonically stable regions.

The most persuasive bots don’t need to tell the best story or cater to a person’s individual beliefs, researchers report in a related paper in Science. Instead, they simply dole out the most ...