8.3-magnitude earthquake in Sea of Okhotsk, in Russia’s Far East

Emergency agencies in the Far East issued a tsunami warning for Sakhalin and the Kuril islands, but lifted it soon afterwards.

5.7-magnitude earthquake in northern California last night

This is a relatively large quake, even for California, but there are no reports of injuries or damages so far from the May 23, 2013 quake.

Small, speedy plant-eater extends knowledge of dinosaur ecosystems

A team of paleontologists have described a new dinosaur, the smallest plant-eating dinosaur species known from Canada.

New insights on climate change and species interactions

Scientists provide important new details on how climate change will affect interactions between species as temperatures continue to rise.

Video: Earth’s atmosphere is escaping

It'll be billions of years before it's gone, but this video explains it in two short minutes!

View from space: Four satellites views of Moore tornado

Four images from space, from NASA and NOAA satellites, of the Moore, Oklahoma tornado on May 20, 2013.

New method for producing clean hydrogen

Engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications.

Great white sharks supplement a seal diet with dead whales

Great white sharks, apex ocean predators, are also mega scavengers of the largest of ocean carrion, dead whales.

Official death toll lowered in Moore, OK tornado tragedy

Officials have lowered the death toll to 24 confirmed deaths and hundreds of injuries from the massive tornado that struck Moore, Oklahoma yesterday.

What are the 10 deadliest U.S. tornadoes?

These are the 10 deadliest U.S. tornadoes since 1900.