Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is ...

We know there are other planets out there that are roughly the same mass as Earth, have an atmosphere, and reside in the so-called "Goldilocks" zone of their solar systems, meaning there could be ...

Earth may be the only planet in the universe that we know to support life. However, astronomers have identified several alien exoplanets that could have even better environments, making them ...

Add Yahoo as a preferred source to see more of our stories on Google. The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, detecting in an alien ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

James Webb Telescope: The most ambitious and powerful space observatory ever built is set to launch Researchers believe that there could be potential lifeforms producing ammonia in the clouds of Venus ...

A helium balloon has descended from the ceiling in my home and begun wandering from room to room like an alien visitor from another planet. And it got me speculating about exotic life that might exist ...

U.S. scientists have come up with two new tools to determine which moons and planets in the universe are most likely to harbour alien life. And they have used those tools to rank many other planets ...