Challenge your observation skills! Find all 3 differences in two pictures of a Family Enjoying Vacation in just 35 seconds. Are you up for the test?

Astronomers have recently uncovered hundreds of previously unknown supermassive black holes hidden in the depths of the universe. These black holes, which are buried behind dense clouds of gas and ...

Planetesimal belts, remnants of the planet formation process, hold a wealth of clues about planetary systems beyond our own.

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's ...

Online puzzles of a sort called 'Seek and Find' challenge a reader by providing exciting images containing the object that's ...

Even though Visual Look Up can be very useful, some people might consider it a hidden iPhone feature, as it's really easy to ...

PUZZLE solvers have been challenged to solve this unique optical illusion that has baffled the minds of many. Only a true genius with a high IQ and a perfect 20/20 vision can crack this challenge ...

Test your focus and problem-solving skills with this picture puzzle! The sharpest minds can find the tiny mistake in seconds.

People were blown away with a spiral staircase that was found underneath the bathtub in an apartment in Scotland.

Optical illusions are fascinating puzzles that challenge our perception, hiding objects in plain sight while testing ...

As Europe's largest conservation charity celebrates its 130th anniversary, Matt Nixson reveals a handful of the fascinating ...

NPR readers share their best methods for finding missing objects — from tiny screws to lost wallets. One favorite tip? Use a ...