In early 2008, residents in and around the small central Texas town of Stephenville experienced something unexplainable: UFO ...

In Australia hundreds report seeing two twin light streaks tear open the sky, in this clip from Season 2, Episode 26, "THE ...

In fact, throughout history there have been numerous reports of supposed alien spacecraft sightings that have turned out to ...

Vanity Fair reports from the Capitol Hill conference, where members of a sprawling community of national security experts and ...

Steve Allen explores the latest crop circle sightings, from UFO theories and police warnings to the possibility that ...

Turns out, you just need to catch a boat from Ventura and head about an hour offshore to Channel Islands National Park, where nature has been running its own private laboratory for thousands of years.

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Harvard astronomer Avi Loeb has been appointed by the White House to lead a team investigating unidentified anomalous ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...