Archaeologists have found more remnants of the ancient fort of Tharu in the Sinai Peninsula, bolstering theories of its political and strategic importance.
Proof of a relationship between spiral galaxies' arms and the size of their central black holes is among the latest cosmic findings revealed by new images from the Hubble Space Telescope.
The ill-fated ocean liner was found during a 1985 exploration of wrecked nuclear submarines in the North Atlantic, oceanographer Bob Ballard has revealed.
High prices are making farming lucrative again. But in the U.S., there's not much productive land that hasn't already been pressed into service. Part of Global Food Crisis: A Special News Series.