Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why certain mammals exhibit this odd trait.

The finding may allow archaeologists to determine whether a woman was pregnant or had recently given birth at the time of her death.

In a suspected case of reverse evolution, wild tomatoes in the Galápagos have developed a defense mechanism that hasn’t been seen in millions of years.

The search for a famed polar exploration shipwreck led researchers to discover geometric patterns created by fish on the Antarctic seafloor.

Two recently examined fossils suggest that Australia’s First Peoples valued big animals for their fossils as well as for their meat, according to a new study.

Two teams are set to explore dramatically different theories about what happened to Amelia Earhart. Each believes it’s closing in on the answer.

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the ...

Researchers found over 200 cultural artifacts within nests of bearded vultures, with the oldest item to date — a woven sandal — estimated be from the 13th century.

Hovering blue flames that flicker over bogs and marshes have inspired ghostly folktales for centuries. Known as “will-o’-the-wisp,” “jack-o’-lantern,” “corpse candle” and “ignis fatuus” (“foolish fire ...

Acting NASA Administrator Sean Duffy said SpaceX is “behind schedule” and thwarting the space agency’s ability to beat China back to the moon.