We found a staircase buried deep underground - and what waited below felt straight out of a nightmare. As we descended, the air got colder, the passage narrower, and the atmosphere heavier. In this ...

The 2022 underwater Hunga Tonga-Hunga Ha‘apai eruption, one of the most powerful in modern history, reached all the way into ...

Leapfrogging from one key to the next over 42 bridges, the Overseas Highway is an engineering marvel with a railroad past that connects mainland Florida and Key West. But travelers beelining to Mile ...

While the Statue of Liberty may not be submerged, low-lying places like Ellis Island could be underwater. By 2100, sea-level ...

The basic idea is that you send a beam of light around a pair of black holes spinning around each other prior to a merger, or ...