By day, Chris Boone leads the USC Price School of Public Policy as dean. By night, he captures the wonders of the cosmos ...

These points of no return are specific moments when the planet has warmed so much that certain effects become irreversible.

Multiple climate 'tipping points' are likely to be triggered if global policies stay on their current course, new research shows.

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

Other hopeful solar buyers may have a much harder time in coming months. President Donald Trump’s escalating trade war with ...