China has quietly confirmed that a vast circular scar in its northeast is not a volcanic basin or a quirk of erosion, but a ...

The Orionid meteor shower, caused by debris from Halley's Comet, is visible in the sky this week. Optimal viewing is in the early morning hours of October 21 and 22, between 1 a.m. and dawn. A new ...

In September 2025, an X post (archived) viewed over 1 million times claimed the world's biggest meteorite impact crater was in Mexico and included a video of the purported site. The video and claim ...

Roughly 37 miles east of Flagstaff, Meteor Crater—formally known as Barringer Crater—was formed approximately 50,000 years ago by a 150-foot-wide iron meteorite. As one of the best-preserved impact ...

Research Grand Canyon landslide-dam and paleolake triggered by the Meteor Crater impact at 56 ka by a team from the University of New Mexico describes a lake in the Grand Canyon created by a landslide ...

Three meteor showers will overlap in July 2025, including the Perseids. The Perseids peak August 12-13, but a bright moon may obscure viewing. Optimal meteor shower viewing is between midnight and ...

Researchers suggest the impact that created Arizona's Meteor Crater may have triggered a massive landslide in the Grand Canyon around 56,000 years ago. © Kring 2017 ...

FLAGSTAFF — Just 30 minutes from downtown Flagstaff, Sunset Crater Volcano National Monument offers a striking look at northern Arizona’s explosive past. The cinder cone, now standing over 8,000 feet ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Conceptualization of Nankoweap landslide that brought down large boulders of Kaibab Limestone from the cliffs at left and created a geologically short-lived paleolake in Grand Canyon. Geology is full ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with ...

WINSLOW, AZ (AZFamily) — An asteroid hit the Earth in what is now known as northern Arizona about 50,000 years ago. It left a giant crater that draws people from all over the world. Nestled between ...