Scientists have uncovered new evidence from one of Earth's most extreme ancient warming events, revealing how the climate may ...

A representation of the underground imaging used in the study. (Edward Garnero and Mingming Li/Arizona State University) The ...

Add Yahoo as a preferred source to see more of our stories on Google. Ancient glaciers reshaped Earth’s surface and shifted ocean chemistry, fueling the rise of complex life, a new study found. Calved ...

Ancient Greeks made many impressive astronomical discoveries, including when Eratosthenes calculated the circumference of the ...

For decades, geologists labeled a billion-year stretch of Earth’s history—from 1.8 to 0.8 billion years ago—as the “Boring Billion.” They assumed not much occurred during the time: mountain building ...

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A team of researchers has made strides in understanding the formation of massif-type anorthosites, enigmatic rocks that only formed during the middle part of Earth's history. These plagioclase-rich ...

Scientists have detected iron-60, a radioactive isotope from ancient supernova explosions, in Antarctic ice up to 80,000 ...

A new study analyzed how NASA's Habitable Worlds Observatory might be able to confidently spot biosignatures in the ...

Ancient trees may have played a key role in regulating Earth's climate during the last ice age—by 'breathing' less efficiently. The researchers found that as temperature and CO 2 levels dropped, trees ...