AstrobiologyScienceMagnetic Minerals May Have Given Life Its Molecular AsymmetryScienceWhat Will Plants Be Like on Alien Worlds?ScienceThe Secret of How Cells Make ‘Dark Oxygen’ Without LightScienceScientists Say You’re Looking for Alien Civilizations All WrongScienceIn a Fierce Desert, Microbe ‘Crusts’ Show How Life Tamed the LandScienceA New Idea for How to Assemble LifeScienceAn Astrobiologist’s Search for Life in Space—and Meaning on EarthScienceA European Space Probe Sets Its Sights on the Jupiter SystemIdeasThe End of ‘Life’ As You Know ItScienceDid the Seeds of Life Ride to Earth Inside an Asteroid?ScienceWhy the Search for Life in Space Starts With Ancient EarthScienceThe Spooky Science of How Undead Spores ReanimateScienceNASA’s Perseverance Rover Digs Up Organic Molecules on MarsScienceThe Legendary Frank Drake Shaped the Search for Alien LifeIdeasIf Humans Went Extinct, Would a Similar Species Evolve?ScienceLife Helps Make Almost Half of All Minerals on EarthScienceWhy the Search for Life on Mars Is Happening in Canada’s ArcticScienceCould Life Use a Longer Genetic Code? Maybe, but It’s UnlikelyScienceGet Ready for a Decade of Uranus JokesSciencePeptides on Stardust May Have Provided a Shortcut to LifeScienceNASA Bets on an Asteroid Killer, a Venusian Balloon, and MoreScienceThe Search for ET Has an X-Factor: the Evolution of StarsScienceTo Study the Next Earth, NASA May Need to Throw Some ShadeScienceAt the Dawn of Life, Heat May Have Driven Cell DivisionMore Stories