Flash floods and tornadoes led to three deaths in Oklahoma as severe storms hit parts of that state as well as Texas and Missouri over the Easter holiday weekend. Tens of thousands of people lost power at the height of the storms, many roads were flooded and homes and others buildings were damaged.

Our latest temperature outlook through August shows an area of persistent heat in the West, while a wetter summer may keep temperatures in check in the East.

A baby colossal squid just swimming around the depths of the South Atlantic Ocean has no idea the fervor it has created back on the surface, where scientists and the rest of us are in awe of the first-ever footage of the mysterious deep-sea creature in its natural habitat.

A terrifying hailstorm in Fremont, Nebraska, sent baseball-sized ice crashing through hotel windows and car windshields, blanketing the streets with broken glass and icy pellets. Guests watched as the sky unloaded in the minutes-long frozen assault.

NASA has launched the $3 million LunaRecycle Challenge - a competition seeking innovative solutions to recycle solid waste on the moon, aiming to reduce trash, conserve resources and inspire sustainable technologies both in space and on Earth.