The curious minds at What If imagine crashing on an alien planet far away, exploring survival, alien ecosystems, and the ...

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

SHOCKED astronomers have spotted a “rogue” planet that defies historic theories. A unique “inside out” planetary system with a distant rocky world turns our ...

Creating a believable alien world takes more than imagination. It requires biology, environmental logic, and evolutionary pressure. The Birrin ecosystem follows scientific rules every step of the way.

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might even be within its host star’s “habitable ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the “habitable” or “goldilocks” zone – where it ...

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

One group of experts now say that looking for life on water and oxygen-rich planets could be a waste of time.

What if we were the aliens? In a great 1991 episode of 'Star Trek: The Next Generation,' the notion of aliens among us was ...

No, Barack Obama did not just reveal the existence of E.T. As The Daily Beast’s (self-appointed) UFO beat reporter, I took special notice when the former president declared that “aliens are real” ...