A mysterious underwater structure called Sycamore Knoll (''UFO Base'') found near Southern California has sparked new alien ...

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

A mysterious underwater formation known as Sycamore Knoll ... It lies about 2,000 feet below the surface at coordinates 34° 1'23.31″N 118° 59'45.64″W. According to outlet, Google Earth ...

A massive hole appeared in Antarctica's sea ice in 2017. This happened near Maud Rise, an underwater mountain. Scientists ...

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

Sitting just 82 feet below sea level near the Ryukyu Islands of Japan, a mysterious object called the Yonaguni monument continues to stump and astonish researchers since its discovery in 1986.