Archaeologists find an intact medieval sandal in bearded vulture nests in Spain, preserved for seven centuries on a cliff.

Ever since the nuclear disaster of 1986, the Chernobyl Exclusion Zone has taken on a second life as an animal haven of sorts. Between 1998 and 2004, scientists began to introduce the endangered ...

Geothermal energy is a reliable, low-emission power source that can repurpose abandoned oil and gas wells. New engineering ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a ...