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A rising number of images by the famed telescope include satellite trails — a trend that will ultimately affect its science.

Vega C launch failure, tracked to a Ukraine-made part, could further delay a handful of missions.

The cells regenerate masses of bone and cartilage every year.

Human hunt at least 19% of bat species worldwide — especially flying foxes, which can have wingspans of 1.5 metres.

Did you hear the one about the neuroscientist who became a stand-up comic and who now researches artificial intelligence's joke-writing potential?

The antiviral ensitrelvir, which is not approved in the United States, shortens symptoms in people with mild COVID and might reduce risk of long COVID — but more data are needed.

Booming exploration and commercial activity could ruin the quiet environment of the lunar far side.

Many researchers dislike the term, but the practice of dialling back unrewarded duties is gaining traction.

Multi-year project in Ukraine aims to uncover the health effects of chronic radiation exposure.

After a group of archaeologists was taken hostage, researchers are looking to beef up security and reassess risk.

Conventional sunscreens can bleach coral reefs, but new formulation is coral-safe.

Researchers worry Colombian environment ministry will side with animal-rights activists rather than curb the invasive animals’ spread.

Researchers will discuss advances in genome-editing technologies — and the ethics of deploying them — at a major international summit.

Tens of thousands of job advertisements across Europe call for research experience, but teaching and student-supervision skills are also high on the wanted list.

Hunter-gatherers sought out warmer climates during a millennia-long deep freeze. Plus, asteroid lost one million kilograms when it collided with the DART spacecraft, and how to stop bird flu becoming a pandemic.