A tornado touches down north of Boston as another blast of colder-than-normal air invades the eastern U.S.
Automatic sensors will allow scientists to conduct a monitoring program to determine summer sea ice melt.
Scientists say they have found a way to feed billions of people, while reducing environmental stresses.
Check out one lucky photo of a lightning strike, along with an apocalyptic-looking swarm of insects on radar.
“Hot days” are likely to happen much more often if we continue to pump CO2 into the atmosphere.
One physicist says there's a 12 percent chance a major solar storm could hit the Earth in the next 10 years.
The obsessive attention to the state of the latest El Niño comes from the major global impacts it can have.
Extreme weather dominates the top climate stories that happened this week and there's a quiz too.
As Arctic ice, and access to seals living there, disappears, polar bears adapt to a land-based diet.
In this week's Picture This, we've got an amazing aurora Vine, a typhoon's mean eye, and twin waterspouts.
Rammasun looked ragged after its trip over the Philippines, but became a Super Typhoon before hitting China.
A new report -- the latest checkup on the health of the global climate system -- says the planet is running a temperature.
The wildfires searing the Northwest Territories could be a harbinger of things to come in a warming world.
A new report shows just how costly climate- and weather-related disasters are across the globe.
January-June 2014 was the warmest first half to a year in California, helping fuel the state's drought.
At the hottest point of the summer, a collision of air masses has sent cooler temps invading the eastern U.S.
The military is already looking at its climate change vulnerabilities but more needs to be done.
2014 was on a record-low pace for tornadoes. A busy June changed that, but we're still below normal.
Though conditions are still favorable for El Niño to develop, another month passes with no official declaration.
Summers get hotter, tornado season fizzles, cow manure worsens methane, plan to cut CO2 and more.