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: 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: 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: 10:21 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: 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: 7:36 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.