New Pentagon documents describe federal agents' reported encounter with a silent triangular object. Conflicting timelines and the absence of physical evidence have left the case unresolved.

The seventh tranche of documents include investigative reports into three sightings of black, triangular objects.

The second journey across Darwin IV pushes into colder, higher and far stranger environments. Skewers dominate the skies with ...

These futuristic reactors may offer advantages that are “entirely infeasible” for their terrestrial counterparts.

It’s difficult to imagine a more daunting journey than one to an alien moon named after the Greek god of fear—especially when three other attempts to make that journey have failed. And yet, as Japan’s ...

Previous Episode RecapThe first stage of the "Starway Rally." Leon and Sophia of the previous champions, "TEAM APEX," are ...

A woman in Jalandhar, Punjab, was left puzzled after spotting something unusual in the sky. She pulled out her phone to ...