A volcanic ash cloud from an eruption in Russia disrupted air travel in Alaska on Tuesday, prompting Alaska Airlines to ...

Some 2.6-million-year-old teeth found in Ethiopia hint that an unknown species from the Australopithecus genus coexisted with ...

Fossil teeth unearthed in Ethiopia suggest two distinct human ancestor species lived alongside each other between 2.6 and 2.8 ...

Learn more about the handful of tooth fossils that complicate the history of humans in northeastern Ethiopia.

An international team of paleontologists has gained new insights about human ancestors from the Ledi-Geraru region of Africa. The teeth fossil findings suggest that two different hominin species — ...

In the must-see video above, a volcano in far-east Russia erupted for the first time since the 15th century on Saturday evening, August 2, producing a plume of ash and smoke up to six kilometers ...

Researchers will slowly melt the ice over the course of seven weeks, releasing ancient dust, volcanic ash, and diatoms, which ...

One homebuyer considered placing an offer for a property but hesitated due to how a tree was planted in the backyard.