Motorists cross over the Brooklyn Bridge heading west into Manhattan. The bridge is one of more than 47,000 in the U.S. considered structurally deficient. (AP Photo/Julie Jacobson) At a Glance The report was issued by the American Road and Transportation Building Association.ARTBA identified 47,052 bridges that are considered structurally deficient.If stretched end to end, the bridges would span 1,100 miles. More than 47,000 bridges across the U.S. are structurally deficient and fixing them could take decades, according to a new...

Skirmantas Strimaitis spent much of the two-hour flight taking selfies and reveling in the silence. (Courtesy of Skirmantas Strimaitis.) At a Glance Skirmantas Strimaitis was the only person booked on the flight. The Boeing 737-800 can carry up to 189 passengers.He called the experience "unique and surreal." Imagine a commercial airline flight where you don’t have to deal with chatty passengers, your neighbors poking their elbows into your ribs or the person in front of you reclining their seat. Sound...

Cracks cutting across Antarctica’s Brunt ice shelf are on course to truncate the shelf and release an iceberg about twice the size of New York City. This Copernicus Sentinel-2 image from February 7, 2019, shows two lengthening fractures: a large chasm running northward and a split, dubbed Halloween Crack, that has been extending eastwards since October 2016. (European Space Agency) At a Glance Two cracks are close to converging on the Brunt Ice Shelf.The resulting iceberg could have a surface...

At a Glance The current CO2 concentration of 410 ppm is unprecedented over the past 3 million years.Changes in CO2 concentrations dramatically affected how long glaciers covered the Northern Hemisphere.The study also showed the planet is extremely sensitive to small changes in CO2 levels. The Earth’s atmosphere likely contains more carbon dioxide today than at any time in at least 3 million years, according to advanced computer modeling. The research, published in the journal Science Advances, also suggests the to...

At a Glance Towns along the Missouri River may not have drinking water for weeks to come.It could be six months before water is restored in Plattsmouth, Nebraska.Last month’s flooding caused more than $3 billion damage in Nebraska, Iowa, Kansas and Missouri. Communities along the Missouri River continue to have trouble restoring drinking water service weeks after flooding left towns and cities inundated. Residents in affected Nebraska and Iowa towns have to boil water before drinking it or rely on...

At a Glance The wildfire is thought to be one of the largest on record in South Korea.The fire killed two people and injured at least 11 others. More than 4,000 residents were evacuated. The fire prompted President Moon Jae-in to declare a national emergency. A wildfire thought to be one of the largest on record tore through a northern South Korea province Thursday evening, prompting a national emergency and forcing thousands to flee. Two people are dead and at...

Tim Bazar stands on the back deck of his flooded house Friday, March 22, 2019, in Bellevue, Neb. (Kent Sievers-/Omaha World-Herald via AP) At a Glance More than 580 homes have been tagged as uninhabitable in Bellevue and Fremont.Both towns are in areas heavily damaged by flooding last month. Damage in Nebraska is estimated at $1.4 billion. Bright red notices adorn the doors of more than in two Omaha suburbs. The tags mark the homes as uninhabitable, and provide a...

At a Glance The blaze broke out on March 30 more than 12,000 feet up a mountain in Sichuan province. Officials say lightning is to blame for the wildfire.Dry weather and high winds have fed fires in several parts of China. Lighting sparked a forest fire in mountainous western China last month that killed 27 firefighters and four local helpers in one of the country's deadliest days for first responders, investigators said. Acting on accounts of eyewitnesses in Sichuan province's...

An artist’s illustration shows Sagittarius A*, the black hole at the center of our Milky Way galaxy. (NASA/CXC/M.Weiss) At a Glance The Event Horizon Telescope has been focused on two supermassive black holes.One, Sagittarius A*, is at the center of the Milky Way galaxy.Results will be unveiled on Wednesday. The world may be about to see the first ever photo of the event horizon of a black hole if speculation about an upcoming news conference holds true. On Wednesday, six...

At a Glance A possible tornado damaged homes and other buildings in San Gabriel, Texas.The storm caused extensive damage to San Gabriel Christian Church.More than 375 flights into and out of Houston and Dallas were canceled.FEMA trailers were damaged at an old Navy base in Bee County.More than 175,000 customers were without electricity at one point. Thunderstorms continue to impact parts of Texas the day after a possible tornado destroyed buildings and ripped the roof off a home in San...

At a Glance The new thermal area has been forming over the past two decades.It was first spotted on infrared images of the existing Tern Lake thermal area. Scientists say it's just a normal part of Yellowstone's dynamic hydrothermal activity. Yellowstone National Park has a new thermal area that scientists think has been growing for the past 20 years. The new area is between West Tern Lake and the previously mapped Tern Lake thermal area, the U.S. Geological Survey announced...

At a Glance The L pod of critically endangered orcas is typically seen in Puget Sound.A calf with the group brings the number of Southern Resident Killer Whales to 75.The group is likely looking for new sources of chinook salmon. A famous pod of rare killer whales typically seen in Puget Sound has turned up far from home in California's Monterey Bay. More than 30 members of were spotted in the bay 70 miles south of San Francisco at the...