Could climate change have caused the fall of Rome? This video examines how the Roman Empire thrived during the "Climate Optimum" of the 2nd century, only to face climate deterioration after 250 AD.

Monarch butterflies have always been remarkably resilient. Every fall, these delicate orange-and-black travelers set out on a journey so improbable it borders on myth, flying some three thousand ...

A warmer atmosphere has the potential to hold more moisture, which can contribute to heavier precipitation in any season, scientists say.

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump in Palm Beach, Fla., on Saturday. (Joe Raedle / Getty Images) (Joe Raedle) President Donald Trump’s ...

After seeing Abby Ellis' urgent Sundance documentary "The Lake," on the imminent collapse of Utah's Great Salt Lake due to ...

Yale Climate Connections is a nonpartisan, multimedia service providing daily broadcast radio programming and original web-based reporting, commentary, and analysis on the issue of climate change.

This scenic train ride in Pennsylvania offers the perfect way to enjoy fall, with stunning foliage, peaceful landscapes, and ...

Explore This SectionScienceScience ActivationStudents Across New England… OverviewLearning ResourcesScience Activation TeamsSME ...

Seattle’s maritime climate is ideal for growing giant sequoias. Here's what to know before planting one of the fastest-growing trees on Earth.

Experts are watching for how other countries will react as the ‘real economy’ shifts to cheaper, cleaner energy ...