Arizona's Meteor Crater and other scars leftover from collisions with space rocks continue to serve up their secrets. Meteor Crater formed some 50,000 years ago. It represents the best preserved ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread. Unravelling Earth’s 4.5-billion-year history with rocks is tricky business. Case ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

Roughly 35 million years ago, a massive asteroid slammed into the Atlantic Ocean near what’s now the East Coast. The impact struck with such force that it carved out a vast crater, later buried ...

On the afternoon of the 11th, atop Daeamsan Mountain (591m) in Chogye-myeon, Hapcheon County, Gyeongsangnam-do. Looking down at the foot of the mountain, a bowl-shaped basin terrain stretched widely.

A quiet hillside in southern China holds the mark of something that arrived with enormous force from far beyond our planet. The Jinlin crater, tucked into the low mountains of Guangdong Province, ...

A new clue to the long-standing mystery of the "Great Oxidation Event," when Earth's atmospheric oxygen levels surged about 2 ...

Tektites, the natural glasses formed by the melting of terrestrial surface materials during high‐velocity meteorite impacts, offer a unique window into the dynamic processes that shape our planet.

View from the Grand Canyon's South Rim onto Nankoweap Delta. Remnants of a past natural dam created by a landslide are visible on the far side of the Colorado River, just to the left of the dry bed of ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...