Many answers to online research questions show signs of being generated by AI chatbots, raising doubts about the validity of ...

Covid-19 seems to accelerate the ageing of blood vessels, but perhaps only among women.

The record-breaking global temperatures seen in late 2023 may have emerged partly because of unusual conditions in the ...

A six-week period of extraordinary heat in 2024 melted 62 gigatonnes of ice on the Arctic archipelago of Svalbard, ...

Nine species of fungi and bacteria have been found in cocoa beans that produce fine chocolate, and this knowledge could help ...

Defining the fundamental units of electricity used to require two finicky quantum devices – but now scientists have found an ...

Large dark matter particles hitting Jupiter’s largest moon would form distinctive craters in its icy surface, and upcoming ...

A bright flash of radio waves from 3 billion years after the big bang is illuminating parts of the universe that astronomers ...

OpenAI’s latest large language model has achieved seemingly underwhelming improvements in performance, leading to questions ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

An ambitious plan to test extreme physics close to a black hole would involve a space probe weighing only a few grams, ...

Virus-based treatments are already approved to treat several types of cancer, and combining them with bacteria could make ...