While many parts of the preserve require four-wheel drive, the aptly named Rings Trail is accessible along paved roads, and ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

These clouds, which have a shimmering silvery-blue color, are mainly made of ice crystals and form at altitudes of 50–70 ...

Two thousand years ago, Alaska’s Mount Okmok volcano spewed ash high into the atmosphere for months. Scientists believe it ...

A volcano in southern Iran thought to have been extinct for some 710,000 years has stirred.

To protect and preserve its natural heritage, the government of Cape Verde has conducted assessments of several important ...

The old fishing village at Ammoudi Bay below Oia. Columnist Paul Grondahl and his wife, Mary, returned to Santorini 31 years ...

Mount Lewotobi Laki Laki, one of Indonesia’s most active volcanoes, is erupting for a second straight day, spewing towering ...

Inferno Cone, Spatter Cones, Devils Orchard, and the Caves Area all have their own pull-offs, so you can cruise at your own ...

Lake Tahoe served as both a classroom and a time machine for Western Nevada College geology students recently, as Dr. Winnie ...

A subduction zone near Cascadia is unraveling piece by piece. The process offers a rare glimpse into how tectonic plates die ...