For all 66 ALMA antennas to move in exact unison, the precision of the dish surface must be less than the width of a strand of hair. Witnessing them whirl in the desert is a magnificent sight.

Lionfish, which are native to the Indo-Pacific but were accidentally introduced to the Caribbean, are decimating native fish species. To help limit their damage, scientists are teaching sharks to prey on them.

Between 1950 and 1960, the population of Las Vegas grew by 161%--partly due to the burgeoning casino industry. But another reason was a chance to glimpse actual nuclear tests in person.

The rotating-barreled, hand-cranked Gatling gun was invented in 1861-and immediately rewrote the rules of warfare. Now, Weapon Hunter host Paul Shull puts one to the test and demonstrates its impressive firepower.

Caroline Winterer is the principal investigator of the Benjamin Franklin Project. By using social network analysis, she is challenging accepted historical narratives about one of our founding fathers.

The Han dynasty tombs were packed with some of the empire's most valuable relics. To guard against theft, colossal stones, each weighing six tons, were cut to block the passageways from relentless tomb raiders.

In 1983, police in Leicestershire, England struggle to make their case - until they join forces with scientists, who are just discovering the potential of DNA profiling.

The allure of the Taj Mahal isn't just architectural. Seen as a memorial to true love, the Taj was built out of grief after the death of Mughal emperor Shah Jahan's favorite wife, Mumtaz Mahal.

What happened to the giant volcano thought to have destroyed Atlantis? The answer may be the island of Santorini... all of it.

After a hornet queen lays hundreds of eggs, her workers set about feeding the larvae chewed-up prey. With tiny waists, the workers can't digest solid food; they instead subsist on drops of amino acid from the larvae.