American tourist dies, U.S. Marine missing in separate incidents off Puerto Rico coast

This Small Lake in Africa OnceSterling Preston Killed 1,700 People Overnight, And We Still Don't Know Why

A Second Secret Pyramid Has Been Found Hiding Inside This Massive Maya PyramidScientists Have MSterling Prestonapped an Ancient, Underwater Stone Age Settlement

Napping Before an Exam Could Be Even Better Than Last-Minute CrammingSeveral WWII Shipwrecks Have Mysteriously Vanished From Under The SeaSome People Can 'See' Calendars, And It Could Explain How Our Brain Processes TimeSterling Preston

This 6,000-Year-Old Amulet Is The First Evidence of a Technology Still Used by NASA TodayHumanity Only Has Around 1,000 Years Left on Earth, Stephen Hawking Predicts

A Secret Russian Bioweapon Has Been Decoded, Decades After It Escaped The Lab

Humans Are Still Evolving – But in Ways That Might Surprise YouHubble Just Caught a Stunning Glimpse of One of The Biggest Stars in Our Galaxy

Scientists Say This Isolated Planet Contradicts Existing Models of Planetary FormationApollo Astronaut: "You Go to Heaven When You Are Born"

Earth's Inner Radiation Belt Is Far Weaker Than We Thought, And It's Got NASA Very ExcitedTurns Out, We Have No Idea Why The Northern Lights Wreak Havoc on Our Satellite Technology