Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Finding alien life in the universe just got way more likely, according to groundbreaking study ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Astronomers have spotted more than 100 new potential alien planets, including one in the fourth-closest star system to the sun, a new study reports. This haul of newfound possible exoplanets, which ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...