An atmospheric scientist explains what’s been going on in the atmosphere, and how El Niño and the jet stream both play important roles.

A custody battle over a newborn with a heart condition raised a question courts have rarely faced: Can anyone be forced to end a pregnancy?

It’s a critical time for Zack Polanski’s leadership.

A glaciologist reviews a new film covering the ascent of Tenzing Norgay (played by Genden Phuntsok) to the top of Everest in 1953.