Just over 50 years ago, paleontologist Donald Johnson unearthed the remains of "Lucy," an ancient human relative who lived more than 3 million years ago. Now, another group of scientists have found ...

A Long Island man who fatally stabbed his 63-year-old housemate has pleaded guilty to manslaughter, prosecutors announced Tuesday. Philip Walker, 58, of Mastic, admitted to using a knife to stab the ...

CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply ...