Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

Learn about the archaeological site of 'Ubeidiya, now confirmed as one of the oldest areas that humans occupied outside of ...

A previously unknown virus may be the key to assessing the risk of colorectal cancer and improving diagnosis.

Learn more about “boomerang” earthquakes and why scientists say they may be more common than previously believed.

Learn how cats and humans can share key cancer mutations — and why those similarities could guide future treatment research.

Learn how a newly discovered 95-million-year-old Spinosaurus mirabilis used interlocking teeth to catch fish in an ancient ...

Learn how forged ownership documents uncovered the illegal export of an ancient Egyptian sculpture from Luxor and triggered an international investigation.

Learn why some icy objects inhabiting a remote region beyond Neptune look like snowmen.

Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

Learn how a simple blood test measuring a key Alzheimer’s protein may help estimate when symptoms are likely to begin, ...

The discovery of an antibiotic-resistant microbe locked in Romanian cave ice highlights both the risks of a warming world and ...

Learn how DNA analysis of ancient graves uncovered surprising details about Stone Age family life.