Planting milkweed can help monarch butterflies, but new research shows that there’s still a lot we can learn about how to do that effectively.

Climate change threatens many marine species, but some climate solutions pose risks, too. Researchers say offshore wind needs continued study and better regulations.

Protections for endangered species, disaster assistance and conservation were all targets of the most recent round of attacks on the environment.

In its final days, the administration is rushing to cement its destructive legacy with attacks on clean air, wildlife and public lands that could be difficult to undo.

Giant forest elephants and blue whales play an enormous role in climate sequestration. Can putting a financial value on that role help conserve them — and us?

Alabama’s Mobile River basin has the most aquatic biodiversity in the country. But we’re in danger of losing it before we even know what’s there.

Underwater meadows have rapidly disappeared around the world, but new research suggests they may be the easiest coastal habitat to restore.

The famed scientist has played a critical role in restoring Galápagos tortoises and other species. Now retired, she offers four key takeaways for the next generation of biologists.

One legal doctrine that courthouse reporters are eyeing closely is that which currently authorizes the EPA to control greenhouse gas emissions.

The United States must grapple with a legacy of 90,000 dams, many unsafe or unwanted.