More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the ...

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific community. As researchers scramble to understand its origins and purpose, ...

Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated.

Lawmakers stunned as footage shows Hellfire missile bouncing off unidentified aerial phenomena, with experts testifying no ...

A multinational research team has discovered a mysterious tubular structure — previously unknown in any organism — within ...