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

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

From above, the tiered farms of western Iran paint a peaceful picture of rural tradition and resilience. The drunkest ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

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

Brown and black are two of the most common coat colors in German Shepherds, though GSDs can present in many other color ...