In northern latitudes and high altitudes, permafrost stays frozen year-round, holding mountain summits together. As global temperatures rise, much of it thaws, loosening soil and increasing landslide ...

A declaration recognizing whales as legal rights-holders is influencing legislation in New Zealand and sparking an international push to translate Indigenous customs into binding protections.

A draft assessment of the health of nature in the United States is grim but shot through with bright spots and possibility.

Everything depends on what people and their government do,” Somerville writes, not once, not twice, but (if I count correctly) seven times.

Earnings are picking up among small-caps. Consider these under-the-radar stocks and top-notch mutual funds.