For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early ...

If you're someone who enjoys stretching the limits of your thinking, brain teasers are the perfect mental workout. They are deceptively simple puzzles that often require lateral thinking, logic, and a ...

In the interview, Lloyd M. Smith discusses proteoforms, an area of research worthy of the next Human Genome Project.

In simple terms, the perplexing sequence mostly follows a straightforward 'add four' rule, but every third number is replaced ...

Modern puzzle games may come with slick interfaces and digital journals, but the ones that really mess with players’ heads are the ones that don’t care if they forget what the ...

Flex your math muscles with this weekend’s brain teaser. Play now.