The seven Millennium Prize Problems represent some of the hardest unsolved questions in mathematics, including one famously ...

AI systems are beginning to produce proof ideas that experts take seriously, even when final acceptance is still pending.

Are you speechless watching US figure skater Ilia Malinin on the ice? Science explains how it’s possible the Quad God can do ...

From a "thrill kill" rampage on deer to nine trophy black bears, Lou Royce has investigated many poaching incidents. But it's the unsolved cases that haunt him.

Top artificial intelligence systems now ace many textbook-style math questions, yet they still fall apart on genuinely new ...