In a landmark shift, a new study has found that climate change is now the most pervasive human-caused threat to imperiled ...

Bleached coral dies when exposed to heat stress for too long, threatening the bountiful marine ecosystem that depends on it ...

Seawalls have long served as a primary defense against coastal erosion and storm surges. Typically constructed of concrete ...

While there are plenty of awe-inspiring man-made destinations around the globe, nothing is as creative as nature. From trees that resemble monsters, to colorful sinkholes, towering rock formations and ...