Here Are 4 Key Things to Know About The Johnson & Johnson COVID-19 Vaccine

Plasma Jet Engines Might Soon Take Us From Earth to SpaceScientists Still Can't Decide if Our Closest Earth-Like Planet Is a Fiery Hellscape or Future Home

A Teenager Just Built The World's Lightest Satellite – And NASA's Launching ItFor The First Time, Physicists Have Observed a Giant Magnetic 'Bridge' Between GalaxiesScientists Have Discovered a 'Puffy' Exoplanet With The Density of Styrofoam

NASA Has Detected Hundreds of Unexpected Flashes Reflecting Off Our PlanetResearchers Have Increased The Distance at Which a Supernova Could Kill Us All

Astronomers Are in Hot Pursuit of a Runaway Supermassive Black Hole

A Strange, Primitive Atmosphere Has Been Discovered Around a Water-Rich Alien WorldHaving Wealthy Friends in Childhood Can Boost Your Income in The Future

Extinct Pathogens Ushered The Fall of Ancient Civilizations, Scientists SayThe Human Mind Is Not Meant to Be Awake After Midnight, Scientists Warn

Not All 'Shrunken Heads' in Museums Are Real. But There's A Way to TellAncient 'Ghost Footprints' in Utah Are The Find of a Lifetime, Researchers Say