
Earth
Who Found Machu Picchu? A Farmer Walked Him There
In 1911 an American professor was led up the mountain by a local man. The families who lived there already knew the place.
Stories
29 stories from the Earth desk, newest first.

Earth
In 1911 an American professor was led up the mountain by a local man. The families who lived there already knew the place.
Earth
In 1883 a volcano in Indonesia blew up. The bang crossed the Indian Ocean, and the pressure wave went around the world.
Earth
A Maya pyramid in Mexico seems to hold a snake made of shadow and a bird made of echoes. Nobody knows whether that was planned.
Earth
In 1991 a man in Vietnam found a cave by its sound. It has its own river, its own weather and its own jungle.
Earth
Lake Baikal is the deepest lake on Earth. It holds about a fifth of the planet's unfrozen fresh water, and a seal lives in it.
Earth
A Soviet drill went 12 kilometers into the ground in northern Russia. The rock at the bottom was far warmer than anyone predicted.
Earth
Two spacecraft carry a gold-plated record with Earth's sounds, and Voyager 1 is about to be a full light-day away.
Earth
After rain, Bolivia's Salar de Uyuni becomes a mirror. The rest of the time, it helps check how high satellites think they are.
Earth
The old stories of Rapa Nui say the moai walked. An experiment in 2012 suggests they really could.
Earth
The glowworms of Waitomo are baby flies. They fish with sticky threads, and the hungry ones glow brightest.
Earth
Surtsey rose out of the sea off Iceland. Ever since, researchers have watched how life moves in.
Earth
In 1960 two men spent almost five hours sinking to the deepest place in the ocean. Their depth gauge was off by about 600 meters.
Earth
The Dead Sea is nearly ten times saltier than the ocean, and its shore drops about a meter every year.
Earth
In 1967 a student noticed a radio signal that ticked like a clock. It was a neutron star.
Earth
Gulpiyuri is in a field in northern Spain, and the sea reaches it underground.
Earth
Mosquito Bay glows blue because of microscopic creatures that flash when something disturbs the water.
Earth
Iguazu is 275 waterfalls, not one, and some birds nest right behind them.
Earth
Nobody has counted either pile. Here is how people guessed, and which way the guesses lean.
Earth
A vault in an Arctic mountain keeps spare copies of the world's crop seeds. In 2015 someone asked for some back.
Earth
Nauru is the world's smallest island nation. Its middle is missing, and the reason is under the ground.
Earth
A plane left on a mountaintop for 33 years, a drop of 979 meters, and a name the Pemon people had first.
Earth
Beneath the waters of Belize lies the remnant of an ancient cave system formed during the last ice age. Discover how changing seas transformed it…
Earth
The Gulf Stream — a powerful surface current — remains largely intact. But its deep counterpart, the Atlantic Meridional Overturning Circulation…
Earth
Hverfjall, a 2,500-year-old phreatomagmatic tephra ring in Iceland’s Mývatn region, remains one of Earth’s most geometrically perfect volcanic…