Pruney fingertips aren't swollen sponges — the wrinkles actually come from blood vessels constricting and pulling skin inward.

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.

Experts explain the science behind Biden's advanced prostate cancer diagnosis, including how common it is and what treatments are available.

The person who received the bladder is doing well, and the successful transplant could offer hope to thousands of people with bladder dysfunction.

Penguin poop provides ammonia for cloud formation in coastal Antarctica, potentially helping to mitigate the impacts of climate change in the region.

In a first-of-its-kind test, scientists used a levitated magnet to search for dark matter, the unidentified substance believed to be present throughout the cosmos. If dark matter is made up of ...

Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.

Screening for osteoporosis is recommended at age 65, but experts say women should be proactive about bone health long before that.

The AI tool used machine learning to outperform current weather simulations, offering faster, cheaper, more accurate forecasts.

Thunderstorms are known to generate gamma rays, the highest energy radiation on Earth. But pinning the burst to a specific bolt is new.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...