It was just about a year ago that we told you of efforts to collect up to four individuals of an extremely rare butterfly found at Biscayne National Park. Now we're back with some good news: an egg gathered from that project has hatched, lending some slight hope that the numbers of the Schaus swallowtail can be bolstered.

Despite being surrounded by water, the Oyster Bay Chickee at Everglades National Park was destroyed when lanterns left burning by campers while they slept set the structure on fire.

If you're thinking of a career in science, or simply want to help out the staff at Glacier National Park, check out the "citizen science" opportunities at the park this summer

In a freak accident on El Capitan in Yosemite National Park, a lead climber accidentally dislodged a rock that fell about 150 feet and struck and killed his partner.