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

New research suggests that this mystery platinum signature underneath the Greenland ice sheet may have originated from a ...

Geologists say there is no evidence the Apolaki Caldera -- part of an extinct volcano located in the Philippine Sea -- could ...

A new study published in the Proceedings of the National Academy of Sciences provides scientists with a powerful new tool for ...

The equatorial regions of Mars are home to unexpectedly enormous layers of ice, and they may have been put there by dramatic ...

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

Deep within Greenland’s ice sheet, a chemical anomaly has sparked intense scientific debate, especially after researchers ...

For decades, the colossal Taftan volcano of eastern Iran appeared a lifeless piece of history. It towered nearly 13,000 feet ...

A volcanic island in Iceland revealed that birds, not wind, brought the first plants. This changes what we know about how ...

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

We’re here to ponder what we call the Mima mounds. Explorers, traders and settlers moving into the area noted these odd ...

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...