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Earth was stressed before dinosaur extinction

New evidence gleaned from Antarctic seashells confirms that Earth was already unstable before the asteroid impact that wiped out the dinosaurs.

Mongolia’s melting ice reveals clues to history of reindeer herding, threatens way of life

Mongolia hosts one of the world's most dynamic animal-based economies, including the world's lowest latitude population of domestic reindeer herders, the Tsaatan people, who live in the high tundra (in Mongolian, taiga) along the Russian border in the country's Khuvsgul province.

Climate may have helped crumble one of the ancient world’s most powerful civilizations

New research suggests it was climate-related drought that built the foundation for the collapse of the Assyrian Empire (whose heartland was based in today's...

Strong winter dust storms may have caused the collapse of the Akkadian Empire

Fossil coral records provide new evidence that frequent winter shamals, or dust storms, and a prolonged cold winter season contributed to the collapse of the ancient Akkadian Empire in Mesopotamia.

Surveying Solar Storms by Ancient Assyrian Astronomers

Scientist at the University of Tsukuba studies ancient cuneiform records for evidence of unusual solar activity 2,700 years ago, and identify three possible magnetic storms by matching the dates with tree-ring radioisotope data

African evidence support Younger Dryas Impact Hypothesis

A team of scientists from South Africa has discovered evidence partially supporting a hypothesis that Earth was struck by a meteorite or asteroid 12 800 years ago, leading to global consequences including climate change, and contributing to the extinction of many species of large animals at the time of an episode called the Younger Dryas.

Ancient civilizations were already messing up the planet

As issues like climate change, global warming, and renewable energy dominate the national conversation, it's easy to assume these topics are exclusive to the modern world.

Nuclear winter would threaten nearly everyone on Earth

If the United States and Russia waged an all-out nuclear war, much of the land in the Northern Hemisphere would be below freezing in the summertime, with the growing season slashed by nearly 90 percent in some areas, according to a Rutgers-led study.

Rise of dinosaurs linked to increasing oxygen levels

Scientists have found that increasing oxygen levels are linked to the rise of North American dinosaurs around 215 M years ago.