The people at the Smithsonian Institution National Museum of Natural History were nice enough to give a couple members of the Chemistry in Pictures team a behind-the-scenes look at their mineral ...

We know Earth is old. Scientists estimate that our planet formed around 4.5 billion years ago. But how old is it exactly? And what was it like when our planet was still forming? These questions have ...

Smithsonian researcher Wriju Chowdhury is part of an expedition searching for 4-billion-year-old crystals that could uncover the secrets behind Earth’s early history Emma Saaty A remote geologic ...

Oldest North Cascades bedrock, a 400-million-year-old tale from European origins. The oldest bedrock in all of the North Cascades sits high in the mountains near the Canadian border. Its origin story ...

Bengaluru's bustling present is anchored by a 3-billion-year-old rock in Lalbagh, a National Geological Monument. This ancient Peninsular Gneiss, formed under immense heat and pressure, predates ...

Oldest Rocks on the Earth: The Acasta Gneiss is known as one of the oldest rocks on the Earth because it is estimated to be about 4.0 to 4.03 billion years old. The Acasta Gneiss is regarded as the ...

In 2008, Canadian researchers led by McGill PhD student Jonathan O'Neil said they'd found the world's oldest rocks, formed 4.3 billion years ago in what is now northwestern Quebec. Such rocks would ...

A coastal trail exploring the history of some of western Europe's oldest rocks has been proposed for a Wester Ross village. Gairloch's geology includes Lewisian gneiss and Torridonian sandstone, rocks ...