A hiker in the Mauna Loa Forest Reserve happened upon the two bombs, which had been used to divert a dangerous lava flow.

Due to the religious significance of Saint Eanswythe's bones, scientists could only analyze them in the church.

Was the trial and execution of Julius and Ethel Rosenberg justified — or was it the product of a nation's collective paranoia?

"I literally have never seen anything like this."

Adam Castillejo was tragically diagnosed with both HIV and Hodgkin's Lymphoma. In a miraculous twist, a stem cell treatment for the latter has cured him of the former.

The disappearance of Madeleine McCann in 2007 continues to baffle detectives 13 years later. Here's what happened the night she vanished — and where the case stands today.

"Plastics that have spent time in the ocean develop smells that turtles are attracted to... it has now become a problem for turtles because they’re attracted to the smells from the plastics."

There are around 1,200 archaeological sites on Gran Canaria in the Canary Islands. This one, however, contained the remains of aboriginal Guanche newborns.

"Cases of cannibalism among polar bears are a long-established fact, but we're worried that such cases used to be found rarely while now they are recorded quite often."

Roy Cohn has been called the most malevolent force in 20th-century American politics — and that was before mentoring a young Donald Trump in mafia-style politics.

There are still no answers as to how so many vultures, some endangered, just dropped dead.