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Sparrows fly around a bird feeder, September 29, 2015.

An avian apocalypse has arrived in North America. Birdsong could become a rare sound.

The skies over the US and Canada are far emptier than they were 50 years ago. Birds are losing their habitats and suffering due to climate change.
An artist's reconstruction of Homo erectus in the Tautavel prehistory museum in France, July 18, 2013.

A group of our Homo erectus ancestors suffered a mysterious mass death more than 107,000 years ago. It’s their last appearance in the fossil rec...

Anthropologists solved a 90-year mystery about Homo erectus fossils after finding that 12 skulls are at least 107,000 years old.
A NASA visualization of the surface of the sun. In a billion years, the sun will get brighter, and cause all the water in Earth's oceans to evaporate.

The human species will likely destroy itself long before the sun kills everyone on Earth, a Harvard scientists says

Scientist Avi Loeb wrote that we should colonize space to survive the sun's future expansion. But humanity might wipe itself out before then, he said.
Benjamin, the last known live Tasmanian tiger, died in the Beaumaris Zoo in 1936.

The Tasmanian tiger is thought to have gone extinct in 1936, but mysterious sightings suggest the creature might still be out there

The last Tasmanian tiger died in captivity more than 80 years ago — or so we thought. Eight recent sightings suggest the creature may still exist.
Lizzie Daly, a biologist and wildlife TV presenter, swims near a giant barrel jellyfish in the English Channel, July 2019.

Thousands of animals around the world are at risk of extinction. But not jellyfish — they’re thriving in warm, polluted water.

Half a million of Earth's species may soon be vulnerable to extinction, according to the UN. Jellyfish, however, are proliferating in warmer waters.
An artist's concept shows an asteroid approaching Earth.

The asteroid that killed the dinosaurs acidified the ocean in a ‘flash,’ killing most marine life. The seas could see a similar problem a ...

A new study found that the asteroid impact that led the dinosaurs to go extinct also caused rapid ocean acidification, which killed most sea life.
An illustration of what the Siberian steppe looked like during the Pleistocene epoch, with woolly mammoths in the center.

A new study reveals how the last woolly mammoths died out 4,000 years ago. That’s after the Egyptians had built the pyramids.

The last of the woolly mammoths died on an Arctic island 4,000 years ago, meaning these animals went extinct much later than scientists once thought.
A chirping western Meadowlark.

North America has lost nearly 3 billion birds in the last 50 years — another sign that we’re in the middle of a 6th mass extinction

A new study found that there's been a 29% decline in bird populations in the US and Canada since 1970.
Raphael Manet checks the growth of oyster mushrooms at the "Bunker Comestible," (the "edible bunker") in Strasbourg, France, on February 19, 2018. The organic farm was established in a former gunpowder warehouse bunker used during the Franco-German 1870 war.

In the event of a killer asteroid, volcanic apocalypse, or nuclear holocaust, mushrooms could save humanity from extinction

Human survivors of an apocalyptic catastrophe could start a new food system with mushrooms. The other food options might not be as appetizing.

For the first time, a timeline reveals what happened in the minutes and hours after the asteroid crash that killed the dinosaurs

The dinosaurs' extinction was spurred by an asteroid that struck Earth. By studying the crater, scientists now know what happened after the impact.