Schools in Afghanistan are expected to open for the new semester Wednesday. But despite Taliban assurances that girls will be allowed back, students and teachers are unclear about what will happen.

Parts of Antarctica were more than 70 degrees warmer than average, and areas of the Arctic saw temperatures that were more than 50 degrees warmer than average.

The family of Jimmy Hill, the U.S. citizen killed in Ukraine this week, doesn't know what happened to his body and where his remains are now.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.