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…

VIRGINIA KEY, Fla. – A magnitude 8.0. earthquake destroyed 90 percent of the city of Pisco, Peru on August 16, 2007. The event killed 595 people, while another 318 were missing. Tsunami waves were…

A magnitude 8.0. earthquake destroyed 90 percent of the city of Pisco, Peru on August 16, 2007. The event killed 595 people, while another 318 were missing. Tsunami waves were observed locally, off…

Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation,…

Just before dawn on Oct. 7, 2008, an SUV-sized asteroid entered Earth's atmosphere and exploded harmlessly over the Nubian Desert of northern Sudan. Scientists expected the asteroid, called 2008 TC3…