Published April 20, 2011
Explore zoomable maps of the U.S. Gulf Coast to see which beaches were hit worst by the oil spill last summer and how they're faring now. (Also see: "Gulf Oil Spill Anniversary: Hard-Hit Beaches Mostly Oil-Free.")
Mouse over the images to access zoom tools. "Home" icon returns picture to fully zoomed-out view.
A new species of dinosaur-era reptile is rewriting the books on the evolution of so-called sea monsters, a new study claims.
The world's highest peak has been shedding snow and ice for the past 50 years, possibly due in part to global warming, new research shows.
Detailed scans capture transformation.