Geology news, features and articles

Trovants are rocks that grow by absorbing minerals from rainwater. Romania is home to a cluster of trovants that inspired folklore of dinosaur eggs, plant fossils and alien creations.

What was once the floor of an ancient ocean is still shaping the landscape between Arabia and Eurasia.

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how the continents were formed.

Upheaval Dome is a giant rock formation in southeastern Utah with two potential origin stories, although most scientists think it was created by an ancient meteor strike.

The Pamukkale travertines are limestone slopes and thermal water pools that have attracted visitors since before the days of Ancient Greece, when the spa town of Hierapolis was founded at the top.

The Bungle Bungle Range in Western Australia is a collection of rock domes forged from ancient seabeds and flanked to the northeast by a prehistoric meteor impact crater.

A new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's mantle. These anomalies are surprisingly similar to sunken chunks of Earth's crust but appear in seemingly impossible places.

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed where they did.

Tristan da Cunha is a group of islands in the South Atlantic that formed from the breakup of the supercontinent Gondwana. Today, it's home to a tiny and extremely isolated farming community.

Kawah Ijen is an active volcano on the island of Java with an extremely acidic crater lake and gas emissions that produce blue flames upon contact with oxygen in Earth's atmosphere.