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 ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained ...

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of fascination — and spawned more than a few wild ...

Artemis II delay reignites the Apollo 11 alien theory, Is NASA concealing the truth about what really happened during the ...

Could the universe have more than three dimensions—and if it does, could life exist there? If higher-dimensional beings are possible, they might interact with our world in ways we can’t fully perceive ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Content warning: this story includes discussion of self-harm and suicide. If you are in crisis, please call, text or chat with the Suicide and Crisis Lifeline at 988, or contact the Crisis Text Line ...

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...

Add Yahoo as a preferred source to see more of our stories on Google. ZURICH, Jan 11 (Reuters) - Best-selling Swiss author Erich von Daeniken, who built a lucrative career on his argument, rubbished ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...