Our Daily Planet: Deadly Tornadoes and London Marathon Weather

Each weekday morning, OurAmazingPlanet takes the pulse of the Earth, reporting on natural phenomena and exploration news from around the globe.

Deadly Storms: Killer tornadoes roared across the Great Plains yesterday, killing at least four people in Oklahoma and Arkansas. [Infographic: Tornado! An Inside Look at Tornado Season ]

Rainbows at Night: Lucky park-goers could see a rare moonbow in the next few days at Yosemite National Park. A moonbow is basically a lunar rainbow, or a rainbow that occurs at night. [Related: Rainbows: How They Form & How to See Them ]

Irresistible Shipwreck: One Massachusetts diver just can't quit the shipwrecked USS New Hampshire. [In Images: Journey of North Carolina's Oldest Shipwreck ]

Mining National Parks: Mines are encroaching on the borders of 10 iconic national parks and wilderness areas, namely the Grand Canyon. [Gallery: All Yours: 10 Least Visited National Parks ]

Lace 'Em Up: Running the London Marathon? The race weather should be dry and fine. [Related: 9 Stunning Scenic Races ]

Previously on Our Daily Planet: Wisconsin Tornado Record and Atomic Deserts

Reach OurAmazingPlanet staff writer Brett Israel at bisrael@techmedianetwork.com. Follow him on Twitter @btisrael.