Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

No work on any science has yet been published in our language more exhaustive of facts, more clear in statement, or more philosophical in general character and arrangement, than Dana’s “ Mineralogy,” ...

Explains how Earths day length could extend to 25 hours over hundreds of millions of years due to lunar tides, and how this ...

Deep beneath the ice that defines modern Greenland, scientists have uncovered traces of a very different world, one that ...

The spacecraft that has quietly rewritten our understanding of Mars just crossed a very visible milestone: the Mars Reconnaissance Orbiter has captured its 100,000th close-up view of the Red Planet.

In exploring Earth's ancient past, researchers delve into the bedrock of the Makhonjwa Mountains in South Africa, uncovering ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

Crystals hidden in Australia’s oldest rocks have revealed new clues about how Earth and the Moon formed. The study suggests ...

Deep beneath the rugged landscape of Western Australia, geologists have made a discovery that’s shaking both science and industry: a colossal deposit of iron ore valued at roughly $6 trillion. Beyond ...

As global competition for rare earths intensifies, Greenland’s reserves are likely to remain central to strategic discussions ...

Two billion years before we made history and split the atom, the Earth had already accomplished it and was running its own ...

STARKVILLE — Mississippi State Professor Renée M. Clary is the 2025 recipient of the Geological Society of America’s Mary C.