The sun shimmers across the glassy surface of Blue Hole, a heart-shaped underwater sinkhole, as two divers prepare to descend into its treacherous, turquoise abyss. In this part of the ocean, known as ...

The iconic adage “a riddle, wrapped in a mystery, inside an enigma” coined in 1939 by Winston Churchill, the famous British statesman, has been used to describe all sorts of mysteries over the years.

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly. Scientists are developing detectors so sensitive they can spot particle ...

Purdue University researchers are sending a new expedition team to find Amelia Earhart’s missing plane based on evidence that it may have crashed on a remote island in the South Pacific. The ...

Almost 12 years after Malaysia Airlines Flight 370 vanished over the Indian Ocean with 239 people on board, the search for the Boeing 777's wreckage was scheduled to resume Tuesday in the Indian Ocean ...

After nearly a century, the disappearance of Amelia Earhart while she was attempting to fly around the world remains one of the greatest unsolved mysteries of the 20th century. For decades, many ...

New Board Member: alliant CEO Dhaval Jadav joins the SETI Institute Board of Directors, bringing passion for space science ...

It’s been 50 years since Jimmy Hoffa first disappeared, and his case remains one of the most infamous and vexing unsolved mysteries in U.S. history. The ex-Teamsters boss left his cottage home in ...

The sun shimmers across the glassy surface of Blue Hole, a heart-shaped underwater sinkhole, as two divers prepare to descend into its treacherous, turquoise abyss. Entering the twilight zone “feels ...