In this drawing, a soldier stands at the window, looking out like he is watching birds or enjoying the breeze, but a prisoner ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

A new video shows wolves may be smarter than we think. Are they smart enough to use tools? And are they getting smarter?

"Setting a table with eclectic mixes instantly gives a vintage feel that makes a statement," says Libby Palmieri, founder of ...

A haunting painting hides a secret face, and viewers are challenged to spot it within 10 seconds. The detailed artwork makes the illusion tricky but fun to solve.