Emergency Nuclear Alert Sent to Millions in Canada Turns Out to Be False Alarm

Thousands of New Satellites Are Scheduled to Enter Orbit, And Astronomers Are WorriedFor The First Time, Astronomers Detect Regular Pulses Coming From Chaotic Stars

There's an Entire Catalog of Breathtaking Mars Landscapes You Can Lose Yourself inThe Mystery of a Strange X-Galaxy Powered by a Monster Black Hole Is Finally SolvedEarth Germs Probably Can't Contaminate The Briny Waters on The Surface of Mars

Violent Impacts in The Moon's Ancient Past May Have Melted Vast Tracts of Its SurfaceAstronomers Make Incredibly Rare Detection of Earth-Like Planet 25,000 Light-Years Away

A Giant Piece of a Chinese Rocket Just Smashed Down to Earth in an Uncontrolled Fall

An Ancient Meteorite Is The First Chemical Evidence of Volcanic Convection on MarsWe Just Got a Better Idea of How Fast Genes For Lactose Tolerance Spread Across Europe

World's Leading COVID-19 Vaccine Trial Was Just Put on Hold Due to Safety ConcernsHigh Blood Pressure And Diabetes Could Alter Brain Structure, Slowing Down Cognition

If Sitting Is So Bad, Is Lying Down to Work Any Better? A Physiologist ExplainsOne Chart Shows The Best And Worst Face Mask Types, Based on The Latest Research