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'Space trash' will lead us to intelligent aliens, Harvard astrophysicist Avi Loeb saysThe long-sought evidence of alien life could be lurking in Earth's oceans, says Harvard astrophysicist Avi Loeb. Here is his plan to find it.
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Infamous 'Wow! signal' that hinted at aliens may actually be an exceptionally rare cosmic eventThe source of a supposed alien broadcast that made researchers go "Wow!" may instead have been the result of a remarkably rare cosmic event, a new study suggests.
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SETI searches for alien life in over 1,000 galaxies using unexplored radio frequenciesAlthough no aliens were found, the results have helped constrain expectations of possible alien transmitter power.
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If alien life exists on Europa, we may find it in hydrothermal ventsIf there's life on Jupiter's moon Europa or Saturn's moon Enceladus, it could have a network of deep-sea hydrothermal vents to thank for its existence, new research suggests.
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7 potential 'alien megastructures' spotted in our galaxy are not what they seemScientists recently identified seven stars in the Milky Way that could potentially be gigantic alien structures called Dyson spheres. New research proposes an alternative explanation: Those are just cosmic "hot DOGs" in disguise.
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What could aliens look like?The search for alien life is one of humanity's greatest missions, but it may look nothing like anything we've seen on Earth.
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32 strange places scientists are looking for aliensFrom planets and moons in our solar system to dying stars and parallel universes, here are some of the far-out places scientists are searching for alien life.
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No, the James Webb Space Telescope probably didn't detect signs of alien life — but it soon couldThe James Webb Space Telescope's possible detection of biological chemicals on the exoplanet K2-18b may just have been methane gas, a new study cautions. Planned follow-up observations could solve the mystery for good.
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Aliens may be hitching rides on meteors to colonize the cosmos, study suggests. Here's how we could spot them.A fringe theory called "panspermia" suggests that lifeforms can spread to new planets by hitching rides on meteors. New research lays out a roadmap for finding where these hypothetical, planet-hopping aliens may reside.
