Water and mud flows on the Pacific Coast Highway on Thursday, Jan. 31, 2019. (Caltrans) At a Glance The first of a trio of storm systems brought heavy rain to Southern California Thursday.Mandatory evacuations were ordered at the Holy Fire burn site.Voluntary evacuations were also issued for the Woolsey and Cranston burn areas.A JetBlue flight was forced to make an emergency landing at LAX after being struck by lightning. Rain from the first of a trio of storms hammered Southern...

This mosaic of images from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity shows Mount Sharp in a white-balanced color adjustment that makes the sky look overly blue but shows the terrain as if under Earthlike lighting. (NASA/JPL-Caltech/MSSS) At a Glance Researchers discovered a way to measure surface gravity on Mars.They used accelerometers on the rover Curiosity as gravimeters.Rock under the base of Mount Sharp was less dense than expected. NASA's Mars rover Curiosity has roamed the Red Planet...

At a Glance Australia's scorching start to 2019 has been confirmed as the country's hottest month on record.January was Australia's first month on record with a mean temperature in excess of 86 degrees.The record comes on the heels of the country's third-hottest year on record in 2018. As the Midwestern U.S. shivers in the coldest Arctic air the region has seen in decades, Australia just sweat through its hottest month on record and saw wildfires continually scorch the drought-stricken south...