Democrats and Republicans are increasingly embracing federalism and states’ rights to push back on Washington in the Trump era, even as critics warn of civil-rights risks.

Fork-tailed drongos in South Africa’s Kalahari Desert can produce up to 51 distinct mimicked alarm calls and deploy them ...

Keep your lawn in good shape with these landscaping expert-approved shovels, power tools and gardening accessories.

When I started bird-watching as a teenager, a few years after the first Earth Day in 1970, several species that once thrived in my region were nowhere to be found. Some, like the passenger pigeon, ...