We tend to think of gender expression as uniquely human. But many species gain advantages by projecting an opposite-sex appearance.
For the 44% of the world's population that lives near the coastline, global climate change is no longer abstract.
Americans dispose of about 12.8 million tons of textiles annually. Fashion has a major impact on the environment. So what is the industry doing about it?
The Welikia Project recreates a lost vision of Manhattan, one composed of marshes and forest surrounded by wide, meandering rivers.
A new technology allows ships to dredge the ocean for plastic, then compress it into bricks. But plastic recycling has proved difficult in the past.
The United Arab Emirates is looking into building an artificial mountain in order to stimulate rain. Will it work?
Although sleep is ubiquitous for animals with brains, differences in how, why, and for how long animals sleep remain unexplained.
The American bison joins the bald eagle as the second national animal. What will the designation mean for its conservation status?
The perennial battle of beach access: who owns the beach front?
Natural selection should weed out the do-gooders and leave only egoists, but animals share just the same.