The curious minds at What If explore what it would mean for life on Earth if every planet in our solar system were habitable.

The big domestic policy bill passed by House Republicans last month would, by the end of this year, eliminate tax credits for ...

On a former military base in Galena, Alaska, a school that houses about 200 high school students teaches sustainability among ...

Development of Greylock Glen has suffered setbacks, but the Outdoor Center is a wooden winner.

Analysts at the research firm Wood Mackenzie gave themselves the task ... especially when it comes to solar, while the rest of the world advances at a quicker pace. What’s the long-term effect ...