Posted: 6:12 PM NASA is tracking a regional dust storm on Mars, but says it has not affected the operations of its two rovers on the surface.

Posted: 6:09 PM Extreme weather is a growing threat to the nation's lifelines -- its roads, bridges, railways, airports and transit systems. That's leaving states and cities trying to come to terms with a new normal.

Posted: 6:05 PM Astronomers say Pluto's icy more distant sister seems even more alien than thought because it doesn't have an atmosphere.

Updated: 6:02 PM A new report shows that the nation's worst drought in decades is getting worse again, ending an encouraging five-week run of improving conditions.

Posted: 6:26 PM Enormous piles of wreckage now dot the coastline in New Jersey and New York as work crews haul away the huge amount of rubble created by Superstorm Sandy.

Posted: 6:11 PM The Jersey shore is a lot less sandy after the superstorm of the same name barreled through.

Posted: 6:08 PM A storm bearing down on the Pacific Northwest has taken the life of an elk hunter on the Oregon Coast and hit the region with mudslides, high winds and mountain snow.

Posted: 8:23 AM The University of Nebraska-Lincoln is opening a display to showcase some of the tiniest things in nature and their real-world applications.

Updated: 4:41 AM Nebraska officials are predicting that many farmers along the Republican River will have to limit their water use more next year because of the dry conditions.

Posted: 6:18 PM The Mars rover Curiosity is poised to drive again after being parked at a sand dune for the past month

Posted: 6:17 PM World War II-era love letters written by a New Jersey woman to her boyfriend washed ashore during Superstorm Sandy.

Posted: 6:24 PM Climate change is suddenly a hot topic again. The issue is resurfacing in talks about a possible new tax.

Posted: 6:19 PM The former Brooklyn-Battery Tunnel, a key New York City thoroughfare flooded by Superstorm Sandy, is being reopened to cars.

Posted: 6:16 PM Hundreds of New York City police officers and firefighters who have spent the past few weeks helping a storm-battered city get back on its feet are also dealing with personal losses related to the floods.

Posted: 6:18 PM New York City Mayor Michael Bloomberg has announced a $500 million emergency plan to pay for critical repairs to public schools and hospitals damaged by Superstorm Sandy.

Posted: 6:15 PM Mayor Michael Bloomberg says odd-even rationing seems to have eased the post-storm gasoline crunch in New York City, but he's not sure when he'll lift the restriction.

Updated: 6:08 PM Washington-area customers won't be getting the giant Christmas trees they ordered after Superstorm Sandy buried a Maryland farm in more than 2 feet of snow and snapped many of the 15- to 35-foot firs.

Posted: 5:13 PM The U.S. Forest Service has eased fire restrictions on land within the Nebraska National Forests and Grasslands.

Posted: 12:15 PM Nebraskans are being asked to keep an eye out for whooping cranes as the birds migrate through Nebraska on their way to winter grounds along the Gulf Coast in Texas.

Posted: 3:05 PM The University of Nebraska-Lincoln is opening its observatory so the public can view the planets Jupiter and Uranus, and other space objects.

Posted: 3:23 PM The amount of water flowing into the lower Missouri River will be reduced later this month to help conserve water in the upstream reservoirs during the drought.

Posted: 6:38 PM One man who lives along the New Jersey coast says he just had power restored a couple of days ago following the outage caused by Hurricane Sandy -- and how, he's lost it again.

Posted: 6:21 PM A nor'easter is threatening New York and New Jersey with a repeat of the misery Superstorm Sandy brought last week.

Updated: 7:35 AM People hit hardest by Hurricane Sandy just can't catch a break.

Posted: 12:04 PM Northeast coastal residents got some good news Tuesday. Weather experts say that a new storm that threatens to complicate Hurricane Sandy cleanup efforts on Wednesday now looks like it will be weaker than expected.