Add Yahoo as a preferred source to see more of our stories on Google. Earth has existed for 4.54 billion years, and during that time, our planet has undergone a number of violent transitions. This ...

Studying 75 meteorites falling to Earth, scientists have identified the seven stages a space rock goes through as it crashes ...

Earth feels permanent only because human lives are so short. On the scale of the cosmos, however, our planet is passing through a brief moment in an existence that stretches across unimaginable ...

For decades, geophysicists have known that something unusual happens nearly 2,900 kilometres beneath our feet. Seismic waves from earthquakes suddenly speed up in a thin zone just above Earth’s core.

Earth is currently the only planet known to harbor life—thanks in large part due to the operation of plate tectonics, which cycles critical biogeochemical elements and maintains a planetary thermostat ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 27, 2025, 08:03am EDT Jun 28, 2025, 10:01am EDT Iron-rich ...

The Earth with the upper mantle exposed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock approximately 100 miles beneath the Earth's ...

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

An artistic reconstruction of Earth during the Hadean eon (~4.5 billion years ago). Intense volcanic activity, heat from accretion, and frequent impacts kept the young Earth in a molten state. This ...

Canadian bedrock more than 4 billion years old may be the oldest known section of the Earth’s early crust. Scientists at the Carnegie Institution of Washington and McGill University in Montreal used ...

A chunk of the moon that may have broken away from the lunar surface millions of years ago appears to be orbiting our planet. The 'quasi-satellite,' named Kamo`oalewa, has baffled scientists for ...