Some animals on Earth look so unusual that they appear almost alien. Their shapes, movements, and survival strategies challenge familiar ideas of what life should look like. Scientists study these ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

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

What happens when you do minimal screening before hiring agents, arming them, and sending them into the streets? We're all ...

Dr. Rowan Martindale, a paleoecologist and geobiologist at the University of Texas at Austin, was walking through the Dadès Valley in the Central High Atlas Mountains of Morocco when she saw something ...

There are also some other rarer, even more spectacular types of lightning: ...

Over the past half century, researchers have established that birds evolved from dinosaurs: specifically, the theropods, the ...

Scott Adams, whose popular comic strip “Dilbert” captured the frustration of beleaguered, white-collar cubicle workers and ...