Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking for on other planets or moons? A new study, published in Nature Astronomy, ...

Mars, Europa and Enceladus are the three most promising locations in the solar system to search for life living off cosmic rays. When you purchase through links on our site, we may earn an affiliate ...

Alien civilisations may have just been given a 400,000-fold boost in their chances of finding humans, according to a new ...

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 ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...

Curiosity rover’s discovery of a diverse set of organic molecules in a Mars rock sample strengthens evidence that the planet once had the chemistry needed to support life.