When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

NASA's Jared Isaacman confirmed the agency has unexplained UAP imagery, fueling alien life debates. He urged scientific ...

'This one's exciting.' ...

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

Scientists detected gases on exoplanet K2-18b linked to life on Earth. The James Webb Space Telescope's future results show a ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...