The Academy of Natural Sciences of Drexel University’s butterfly exhibit houses up to 150 specimens and dozens of species, but one recent entry maintains a special distinction: it is both male and female.

A genetic study of ancient dog remains in the Americas provides clues about the lives of their best friends.

Explosions remain unexplained, but models predict otherwise unexpected behavior

By some estimations monarch butterfly populations are down 90 percent, but the cause of the decline may be difficult to solve.

NASA’s Kepler Space Telescope team recently broke new ground with the discovery of eight new Earth-like exoplanets residing in the famed “Goldilocks Zone,” which is the perfect temperature for potential life to emerge.

While the world debates what to do about climate change, polar bears appear to be migrating to better habitats.

Maternity of baby orca is still unknown

Although it’s not proof that life existed on Mars, it provides intriguing circumstantial evidence to further justify a manned trip to the Red Planet.

Fossil collection may resolve disagreements over raptor hunting behavior.

SpaceX has passed NASA’s certification baseline review, the first step toward ferrying astronauts to the International Space Station.