Firefighters on Sunday battled some of California's largest-ever fires that have forced tens of thousands from their homes and burned one million acres, with further lightning strikes and gusty winds forecast.

The last time we saw NASA's Mars 2020 Perseverance rover mission was on July 30, 2020, as it disappeared into the black of deep space on a trajectory for Mars. But with NASA's Eyes on the Solar System, you can follow in real time as humanity's most sophisticated rover—and the Ingenuity Mars Helicopter traveling with it—treks millions of miles over the next six months to Jezero Crater.

A brand new giant panda cub is sparking pandemic-fueled panda-mania, and officials at the National Zoo said traffic on their livestream spiked 1,200% over the past week.

Two tropical storms advanced across the Caribbean on Saturday as potentially historic threats to the U.S. Gulf Coast, one dumping rain on Puerto Rico, the Virgin Islands and Hispaniola while the other swept into the gulf through the gap between Mexico's Yucatan Peninsula and Cuba.