Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

The spiny leaf insect mother not only abandons her eggs, she's also figured out how to trick someone else into protecting and ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

Johnny Carson book exposes 'Tonight Show' ban list featuring Jay Leno, Ellen DeGeneres Search for missing swimmer suspended; witness saw shark with body in its mouth ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Wondering about the weirdest animals in the world? We've listed the Top 31 here — including the axolotl, aye-aye, blobfish, ...

If anyone has any ongoing building projects there are plenty of bricks at the Wells Fargo Center. The Sixers fell 109-99 to the Phoenix Suns Monday night thanks to a dismal offensive performance.