Snaiad's strange creatures and ecosystems continue to evolve in one of speculative biology's most convincing alien worlds.

The trip had all the makings of a boring car ride—until the couple saw mysterious lights approaching from the sky.

Yet, as modern marine geologists and archaeologists continue to map the depths of the Baltic basin, a far more complex and grounded truth is beginning to surface. The reality of what lies beneath the ...

Dyson sphere stability — once considered an impossible physics problem — may be within reach. A peer-reviewed paper in Monthly Notices of the Royal Astronomical Society shows that ring-shaped stellar ...

This search for alien intelligence goes far beyond looking for tiny microbes, focusing instead on the possibility of advanced civilizations powerful enough to reshape planets, stars and even entire ...

Mega-structure house found in Stăuceni-‘Holm’, Romania. Credit: Doris Mischka / CC BY 4.0 Archaeologists have unearthed a prehistoric megastructure in northeastern Romania, reshaping how researchers ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email The Pentagon on Friday released a second ...