Darren Orf

Darren Orf "Hearst Magazines and AOL may earn commission or revenue on some items through these links." Here's what you'll learn when you read this story:

From 1876 to 1878, a strong El Niño wreaked havoc on the tropics.

Although it killed more people, the Peshtigo Fire in Wisconsin was overshadowed by the Chicago Fire, which happened on the same day in 1871.

The eerie “sailing stones” in Death Valley National Park simply refuse to stay in one place.

Although the government used what was believed to be a harmless bacteria in the demonstration, the faux attack killed at least one person and sickened 10 others.

Discovered in 1908, the disc is covered in undecipherable symbols that have perplexed experts and led to numerous theories about its origins.

Atomic clocks leveraged the atom to keep time, but new innovations will use the nucleus itself.

The buried structure may be an entrance to something deeper beneath the desert floor.

When a B-52 bomber collided with a KC-135 tanker over Spanish skies, four hydrogen bombs plummeted to Earth—three fell on land while one crashed into the sea.

Darren Orf In the world of archeology, few tools have revolutionized the field as much as ground-penetrating radar (GPR). This geophysical technique uses radar pulses to image the subsurface.