Geology

Scientists at the University of Leeds say they have uncovered a previously unknown giant volcanic eruption.   And it's no ordinary eruption, they say - it led to global mass extinction 260…

The Mars rover, Opportunity, surveyed the rim and interior of Victoria Crater on the Red Planet from September 2006 through August 2008. Key findings from that work, reported in the May 22 edition of…

If you didn't know better, you might think the Oldoinyo Lengai volcano in Tanzania was proof of alchemy. There, in the ancient East African Rift at a place known to local Maasai people as the…

An international team of geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice age may have been due to the rise of…

A previously unknown, large impact basin has been discovered by the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft during its second flyby of Mercury in October…

The theory that the Chicxulub crater holds the clue to the demise of the dinosaurs and 40 percent of all species 65 million years ago is challenged in a paper published in the Journal of the…

A cool morning breeze keeps the mosquitoes down as we pack our kayaks and gear for today’s paddling journey.  It is day four of our holiday, with two days driving up from Vancouver to Cache…

In the 1960s and early 1970s, the Apollo Moon Program struggled with a formidable enemy that was sometimes more formidable than others: sticky lunar dust. Four decades later, a new study says they…

Grizzly! We reach the end of Babcock Lake, the sixth body we will cross in completing the Bowron Lake circuit, we get prepared for our next portage. After packing up, I get my camera out to take…

Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves (s-waves) in Earth's lower mantle between 660 and 2900 km depth is strongly…