Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

"Awards like these are a critical component of our incubator program for future missions, which combines government ...

For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Astronomers do not have a photo of Kepler-22b, but they used the so-called 'transit method' to detect it from 640 light-years away. Credit: NASA / Ames / JPL-Caltech illustration In Apple TV’s ...

Amid a new wave of interest in the possibility of life on other worlds, Lawrence Livermore National Laboratory and NASA are embarking on a new effort to identify planets with the basic compounds for ...