Posted: 7:34 PM A rare snowfall blanketed Rome on Friday, forcing the closure of the Colosseum over fears tourists would slip on the icy ruins, and leaving buses struggling to climb the city's slushy hills. Other parts of the country experienced frigid temperatures unseen in years.

Posted: 7:23 PM Russia and Ukraine both took extra precautions on Friday to protect homeless people, ordering new facilities and medical care after scores of people have frozen to death on the streets of Europe during a brutal cold snap.

Posted: 7:26 PM Snow has been missing in action for much of the U.S. the last couple months. But it's not just snow. It's practically the season that's gone AWOL.

Posted: 11:29 PM The warning level for a remote Alaska volcano has been raised after a new lava dome began forming, indicating the mountain could explode and send up an ash cloud that could threaten aircraft.

Posted: 11:12 PM Dozens of homeless people have died in an Eastern Europe cold snap.

Posted: 10:42 PM Republican presidential candidate Newt Gingrich wants to create a lunar colony that he says could become a U.S. state. Several science policy experts say the former House speaker's ideas are based in mainstream science.

Posted: 10:39 PM Eight months after a tornado laid waste to much of this city, Joplin is wrestling with an emotional question: Should the community market its devastated neighborhoods to tourists?

Posted: 10:21 PM The head of Russia's space agency said Tuesday that cosmic radiation was the most likely cause of the failure of a Mars moon probe that crashed to Earth this month, and suggested that a low-quality imported component may have been vulnerable to the radiation.

Posted: 8:39 AM Clouds of smoke from Lunar New Year fireworks sent air pollution readings soaring in the more sensitive measurement system Beijing started using a little more than a week ago, reports said Sunday.

Posted: 9:20 AM Haiti and the neighboring Dominican Republic could be in for a period of periodic powerful earthquakes, according to a scientific study released Thursday.

Posted: 8:54 AM Coastlines, working patterns, and even the country's most famous meal are under threat from climate change, Britain said Thursday in its first-ever national assessment of the likely risks.

Posted: 7:57 PM Newt Gingrich is promising to establish a permanent base on the moon by 2020 if he's elected president.

Posted: 7:55 PM Haiti and the neighboring Dominican Republic could be in for a period of periodic powerful earthquakes, according to a scientific study released Thursday.

Updated: 7:51 AM An area of rain and thunderstorms is expected to move into the area late Thursday and exit Friday morning.

Posted: 6:59 PM At least two tornadoes roared across the heart of Alabama on Monday, killing two people and injuring more than 100 others during the middle of the night.

Updated: 6:56 PM The sun is bombarding Earth with radiation from the biggest solar storm in more than six years with more to come from the fast-moving eruption.

Posted: 10:50 AM In the wake of record-breaking extreme weather in 2011, campaign says it’s essential that T.V. meteorologists “Forecast The Facts“

Posted: 7:36 PM A winter storm that packed winds of 100 mph and dumped more than a foot of snow in the Pacific Northwest could soon give way to another threat: warmer weather and the potential for flooding.

Posted: 7:33 PM NASA's retired space shuttle Atlantis is a step closer to completing its final journey.

Posted: 7:30 PM Russia will look into the possibility that a U.S. radar station could have inadvertently interfered with the failed Mars moon probe that plummeted to Earth.

Posted: 6:15 AM Thick fog blocks view for most of Georgia

Posted: 9:39 AM The tanker carries supplies for an iced-in Alaska city.

Updated: 10:28 AM We had it all in the weather department last year. Here are some of the highlights.

Posted: 6:24 AM Freezing temperatures blast Georgia.

Posted: 7:41 PM A freeze warning is in effect tonight, and a hard freeze watch is in effect for tomorrow night/Wednesday morning.