If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 light years away in the constellation Leo, it's attracted a lot of attention ...

At Davos, the billionaire said his belief that “it might only be us” in the cosmos drives Tesla, SpaceX, and his vision for humanity’s future. Elon Musk proclaimed he’s an alien during a Thursday ...

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...

Scientists and NASA officials insist the object is a natural comet, not alien technology. Recent observations found no radio signals from the comet that would suggest it was artificial. The comet made ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

A federal judge on Monday said the U.S. government denied due process to the Venezuelan men it deported to a prison in El Salvador in March after President Trump invoked the Alien Enemies Act. The ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustrated moon-forming disk surrounds an alien planet. (NASA, ESA, CSA, STScI, Gabriele Cugno/University of Zürich, NCCR ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...