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We tend to think of the Sahara as the world's great permanent desert, but researchers have found it was a green savanna with hippos, giraffes, and rivers as recently as 6,000 years ago — and that it collapsed into desert within one to two centuries, a tipping point so abrupt the rock paintings of those lakes outlasted the lakes themselves
1+ mon, 4+ week ago (474+ words) The Sahara is not a permanent fixture on geological timescales. During the African Humid Period, much of the region received enough rain to support...
Archaeologists found a 1,200-year-old island in Fiji made almost entirely of discarded shellfish — created by generations of people processing food during the same centuries Maya cities flourished and Viking voyagers began crossing the North Atlantic
1+ week, 58+ min ago (548+ words) CE is a handy anchor for anyone who likes their history stacked side by side. In the Petén lowlands of...
Scientists drilling through Antarctic ice pulled up a core containing air bubbles trapped 800,000 years ago, before modern humans existed, before agriculture, before written language — and the ancient air was still sealed inside
2+ week, 1+ day ago (429+ words) to 280 ppm envelope that had been treated as the natural range, while Antarctic temperatures sat at ordinary...
We’re travelling around Queensland and the water in this tiny outback town smells rather strange — but the science of what’s happening 500 metres beneath our feet is fascinating
6+ day, 4+ hour ago (1425+ words) Published September 7, 2026 · How we edit We’re travelling around Queensland at the moment, and one of the things I love about travelling this way is that you never quite know what is going to make you curious. Sometimes it’s the landscape....
A flame has burned inside a grotto behind a waterfall near Buffalo for generations, through rain and snow, and when geologists finally investigated they found the rock below was nowhere near hot enough to explain where the gas is coming from
1+ mon, 4+ week ago (383+ words) Behind a thin curtain of water in western New York, a flame flickers from a crack in dark shale. Snow can surround it in winter, spray can soak the grotto...
When an Antarctic iceberg the size of Chicago broke off in January 2025, scientists raced to look beneath it and found a thriving ecosystem of octopuses, sea spiders, and icefish that had been living in total darkness for potentially hundreds of years
2+ week, 14+ hour ago (1066+ words) food sources and species inventory unresolved. By Natural History · Edited by Lachlan Brown Published August 29,...
About 90 million years ago, a temperate rainforest grew just 900 kilometres from the South Pole; an Antarctic seafloor core preserved its roots, pollen and spores beneath what is now a world of ice
1+ mon, 2+ day ago (882+ words) Published August 10, 2026 · How we edit A dark layer inside a sediment core from the seabed off West Antarctica contained something that should feel impossible: a dense network of fossil roots, along with pollen and spores from a temperate rainforest that…...
Our Ancestors Got Bigger in One Late Leap, Not a Slow Climb Toward Modern Humans
2+ mon, 2+ week ago (143+ words) Lay 386 fossil bodies out across two and a half million years and the shape they make is not the one you were taught. There is no tidy ramp, no steady...
A meteorite that fell near the Australian town of Murchison in 1969 was found to contain grains of stardust up to around 7 billion years old — the oldest solid material ever identified on Earth, formed long before the Sun or planets existed.
1+ mon, 4+ week ago (28+ words) A stone that fell from the sky over rural Victoria in 1969 turned out to contain something older than Earth, older than the Sun and older than every...
Beneath kilometres of Antarctic ice sits a lake the size of a small sea, sealed off from the sky for millions of years and possibly still holding life
1+ mon, 4+ week ago (716+ words) Lake Vostok is one of the strangest lakes on Earth because, for most purposes, Earth has hidden it from itself. It lies under the central East Antarctic...