One of the world’s most populated urban cities is sinking so fast that it can be spotted from space. New satellite images released by NASA show just how fast Mexico City is dropping — experts say 39 feet in less than a century. The latest numbers indicate the Mexican capital is now the world’s fastest-sinking city.

Severe storms are in the forecast for parts of the South yet again. Anywhere from Texas to Alabama, including Dallas, could see some severe weather.

Happy May Fourth! Here's an intergalactic forecast for some of the iconic filming locations from the Star Wars franchise.

Massive amounts of ash spewed from the Mayon volcano in the Philippines, blanketing more than 87 villages across three towns over the weekend. The sudden pyroclastic flow of rocks, ash and gas sent people fleeing, and hundreds of families had to stay away from their homes. The 8,000-foot volcano is the most active of two dozen volcanoes in the Philippines, and there have been mild eruptions since January.

The last month of meteorological spring may have some surprises up its sleeve. The forecast has shifted to bring cooler-than-average temperatures to a large chunk of the country. Will you still be stuck in early season heat, or could you linger in cooler temperatures throughout the month? Meteorologist Caitlin Kaiser breaks down your outlook for May.