Echinus Geyser, the world’s largest acidic geyser, suddenly burst back to life in Yellowstone last month after being dormant for five years. Once called ...

An illustration of a trout eating in a stream In the early hours of the geologic time clock, spanning millions of years, the earth was covered with a gaseous atmosphere and warm shallow seas ...

Wonder World Cave & Adventure Park in San Marcos solves this problem by cramming an earthquake fault, observation tower, ...

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...

In geological layers around the world (particularly in the southwestern U.S.) roughly one billion years of rock are missing—a mystery known as the “Great Unconformity." ...

The geyser is likely to fall back into dormancy soon, but there's a slim chance the spectacular eruptions will continue into ...

Antarctica is covered by a miles-thick ice sheet, but was that always the case? And when was the coldest continent ice-free?

Meramec Caverns in Sullivan, Missouri, offers all the spectacular underground scenery of the famous Southwest caves with a ...

We know Aotearoa New Zealand is home to many geographically and biologically special features. Yet few of us know it also has ...

NEW HAVEN — Yale University and the University of Connecticut were the two schools in Connecticut to make Time magazine's list of the world's top universities for 2026. Yale came in second place ...

This video looks at how physicists study time travel as a scientific concept, exploring what theories like relativity say about time, causality, and what may or may not be possible. Canada has a ...