The conditions have led to the steady retreat of 30 to 45 feet a year of the 12-foot-high bluffs — frozen blocks of silt and peat containing 50 to 80 percent…
New space observations reveal that since October 2003, the aquifers for California’s primary agricultural region – the Central Valley – and its major mountain…
The Himalayas, home to the tallest mountains on Earth, include more than 110 peaks and stretch 2,500 kilometers (1,550 miles). Bounded to the north by the…
It's the stuff of a Hollywood disaster epic: A comet plunges from outer space into the Earth's atmosphere, splitting the sky with a devastating shock wave that…
The summer of 2007 saw a record retreat in Arctic sea ice, and in general Arctic climate has become steadily warmer since the early 1990s. This has changed…
Mark McDonald of WhaleAcoustics in Bellvue, Colo., along with John Hildebrand of Scripps Oceanography and Sarah Mesnick of NOAA Fisheries Southwest Fisheries…