In 1895, the American John Philip Holland created a submarine with mixed propulsion powered by gasoline and electric engines.

A heated debate has erupted among Egyptologists after researchers claimed to have found an “underground city” beneath the ...

Singaporeans, if you’re tired of the same old Bintan and Batam escapes, it’s time to discover a lesser-known paradise just a ...

Researchers claim to have uncovered a vast underground city beneath the Giza pyramids, sparking heated debates among experts.

Watch out for that bat behind you,” warned Luca Messina, a civil engineer who moonlights as a speleo-archaeologist with ...

President Trump has awarded Boeing a $20 billion contract to build the U.S. Air Force’s 6th-generation stealth fighter jet, ...

A 120,000-year-old Lost City has been found under the Atlantic Ocean, thriving without sunlight. Discovered in 2000, its ...