These fossils, dated to 1.75 billion years ago, have shifted our understanding of the timeline for this life-sustaining process, pushing its origins back by at least 1.2 billion years.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

Mass Extinction Killed 85 Percent of Life on Earth 400 Million Years Ago, When Temperatures Dropped Extremely. Our world was defined by a unique history that went through a series of natural ...

New research by a team of researchers from Australia and China suggests that the first rain appeared on Earth around 4 ...

Decades ago, crossing the 400 ppm threshold was unthinkable. That meant that for every 1 million molecules of gas in the atmosphere, more than 400 were carbon dioxide. The planet hit that grim ...

Scientists have managed to beautifully illustrate this idea through a 1-minute video (watch below) showing the movement of Earth’s tectonic and plate boundaries over the past 1.8 billion years ...

Get Instant Summarized Text (Gist) Sediment core analyses and climate modeling indicate that five episodes of rapid carbon dioxide increases 290–310 million years ago led to global ocean oxygen ...

A study published in the journal Earth and Planetary Science Letters has uncovered evidence of an extreme ancient solar storm that struck Earth over 14,000 years ago, during the waning days of the ...

Most agree the rock is at least 3.75 billion years old — but that wouldn’t make it Earth’s oldest. A close up picture of the 4.16 billion-year-old rocks from the Nuvvuagittuq greenstone belt ...

Earth’s atmosphere now has more carbon dioxide in it than it has in millions — and possibly tens of millions — of years, according to data released Thursday by the National Oceanic and ...