Seismic imaging has uncovered two immense regions in Earth’s mantle that challenge our understanding of its composition and ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

A new study uncovered fresh chemical evidence of life in rocks more than 3.3 billion years old, along with molecular traces showing that oxygen-producing photosynthesis emerged nearly a billion years ...

Ancient glaciers reshaped Earth’s surface and shifted ocean chemistry, fueling the rise of complex life, a new study found. Calved icebergs from the Twin Glaciers are seen in 2013 off Greenland's ...

Recent scientific investigations have unearthed remnants of a lost planet concealed deep within Earth’s mantle, potentially elucidating enigmatic structures beneath our planet’s surface. These ...

In a remote desert, scientists have discovered one of Earth’s oldest asteroid impacts. It dates to well over a billion years ago, to a time when our planet was inhabited solely by single-celled life.

An international team of scientists have uncovered new evidence of ancient wildfires that reshapes our understanding of Earth’s ancient history.

Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for scientists. During earlier and later time periods, tectonic plates kept a steady ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites. One hypothesis has been that our proto-Earth (what the earliest stages of ...

To better understand the circadian clock in modern-day cyanobacteria, a research team has studied ancient timekeeping systems. They examined the oscillation of the clock proteins KaiA, KaiB, and KaiC ...

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