Recent scientific investigations have unearthed remnants of a lost planet concealed deep within Earth’s mantle, potentially ...

Where is the impactor?” The question, raised during a planetary science lecture back in 2019, struck a chord with ...

NSF: Researchers have found a primitive Earth mantle reservoir on Baffin Island in the Canadian Arctic. Geologist Matthew Jackson and his colleagues from a multi-institution collaboration report the ...

Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

An analysis of feldspar crystals within the oldest magmatic rocks in Australia has provided a unique insight into Earth's ...

All the activity on Earth’s surface — erupting volcanoes, shifting tectonic plates, restless seas and myriad forms of life — depends on the two-part engine under the hood. Directly beneath Earth’s ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion years.

This shift in Earth’s tectonic tempo had profound implications above ground. With less volcanic carbon dioxide heating the ...

Some of Earth's oldest rocks buried deep in Western Australia may hold new clues about the dramatic event that gave rise to ...

A spot in eastern Africa called the Afar Triangle marks the meeting point of three rift zones—lines where Earth’s crust is being rent apart. Researchers haven’t been sure exactly what drives this ...

A new geological model revolutionizes a century of theories: a rigid wedge of mantle keeps the Himalayas standing.