Snow melt declining in western U.S.

Mote says that from the Rockies all the way to the Cascades, springtime snowpack and snow melt has declined by about 10 percent over the past 50 years.

Oldest known wild bird in U.S. became a mother again, and survived March 2011 tsunami

A Laysan albatross at Midway is the oldest known wild bird in the US. She recently became a mom at over 60 years of age - and survived the 2011 tsunami, too.

Video of March 11, 2011 tsunami from ship at sea

The March 11, 2011 tsunami propagated outward from a 9.0-magnitude undersea earthquake, just 43 miles from its nearest point to Japan.

Did a supermoon cause the March 11, 2011 earthquake in Japan?

The moon was not a supermoon - not full, not closest to Earth - during the March 11 8.9-magnitude earthquake in Japan.

Japan tsunami spread across the Pacific

A video from the National Oceanic and Atmospheric Administration shows how the March 11, 2011 Japan tsunami reverberated across the Pacific Ocean.

Andes Mountain hummingbirds might lose habitat

The Andes Mountains are home to diverse forest ecosystems including rainforests and cloud forests. Hummingbirds in this region are vulnerable to climate change.

Japan earthquake powerful enough to shift Earth’s axis

The 8.9-magnitude earthquake in Japan on March 11, 2011 might have shifted Earth’s axis by some 8 to 10 centimeters.

Pteranodon: A curious case in Texas

A rare find in Texas, the fossilized wing of a flying reptile from the age of the dinosaurs. It could be the oldest known Pteranodon in North America.

Endangered Javan rhinos caught on film, with babies

With only 40 Javan rhinoceroses left in the world, video of two rhinos with their calves has rhino watchers ecstatic.

AP video on smoke from Japan nuclear reactor

Fears are growing about crises at Japanese nuclear reactors.