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.

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