Over 300 million years ago, Earth experienced powerful bursts of carbon dioxide from natural sources—like massive volcanic eruptions—that triggered dramatic drops in ocean oxygen levels. These ancient ...

Ancient stone carvings have long captured the imagination of historians and enthusiasts alike, with some suggesting these artworks depict aircraft-like machines. The presence of such carvings in ...

Archaeologists in Alexandria, Egypt, recently recovered the ruins and relics of a 2,000-year-old city. Divers plunged into the waters off the Abu Qir Bay, pulling out various artifacts and revealing ...

The volcanic rock was found 5,050 feet deep while the Ocean Exploration Trust was investigating a central Pacific region that has “over 300 unexplored seamounts” created by ancient volcanos. The ...