How Pigeons Find Their Way Home May Finally Be Solved
A study suggests pigeons navigate using iron-rich immune cells in their livers that can respond to Earth’s magnetic field. The findings may solve a decades-ol...
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Supermassive black holes are pointing jets of plasma directly at Earth — and a population of them may have produced the highest-energy neutrino ever recorded
At the centre of most large galaxies sits a supermassive black hole. When that black hole is actively consuming surrounding material, it becomes what astronomer...
How a Giant Moon and a Steam Atmosphere Built the Recipe for Life
4.5 billion years ago was an interesting time for the Earth. The atmosphere was thick and what we would now think of as toxic. The Moon, which was freshly forme...
Deep beneath our feet, Earth’s inner core is thought to be roughly as hot as the surface of the Sun — around five and a half thousand degrees Celsius — yet the crushing pressure keeps it solid.
Roughly 5,100 kilometres beneath the surface, Earth’s inner core is usually estimated to sit somewhere around 5,000 to 6,000 degrees Celsius, close to the tem...
[2605.30783] Coupling dynamical accretion and chemical differentiation: a unified framework for Earth-Mars diversity
Abstract page for arXiv paper 2605.30783: Coupling dynamical accretion and chemical differentiation: a unified framework for Earth-Mars diversity
The oxygen in Earth's atmosphere is essential to almost every animal alive today — but when it first started accumulating in the air roughly 2.4 billion years ago, it triggered the most lethal polluti
Roughly 2.4 billion years ago, the atmosphere of the Earth underwent the most consequential chemical change in the planet’s history. Free oxygen, a gas that h...
A day on Earth is described as 24 hours, but the planet has been slowing down for billions of years — and growth rings in ancient coral fossils show that 380 million years ago, hundreds of millions of
The length of a day on Earth is not constant. The planet’s rotation has been slowing for billions of years, primarily because tidal friction transfers rotatio...
Ядро Землі раптово змінило напрямок під Тихим океаном
У 2010 році гігантський потік у рідкому ядрі Землі несподівано змінив напрямок. Відкритт?...
The Human Population Has Already Surpassed the Optimal Size by Nearly 6 Billion People
The ideal number of humans on Earth is around 2.5 billion and a major study explains what that means for our future.