The critically imperilled snake likes to stay hidden, but can be found in some Douglas-fir and Garry oak biomes ...

Black asphalt radiates heat, and it's already too hot in Phoenix. Our street and highway departments can do better.

New research suggests that black holes may actually be "frozen stars," bizarre quantum objects that lack a singularity and an ...

Finland’s capital city, Helsinki, is building the world’s largest heat pump to keep as many as 30,000 homes warm in the winter while reducing carbon emissions. The pump can operate at ...