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The COVID-19 crisis is throwing off the complex logistics of a year-long Arctic research expedition. A team set to rotate out may have to stay on board an ice-breaker for another six weeks.

A new book develops a science of scaling.

NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there. The moon also could be an ideal stepping stone to Mars.

The American chestnut is poised to return — as a bionic, blight-resistant tree. Scientists hope to plant about 10,000 transgenic plantlets to pollinate trees in the "wild."

Many Alaskans are watching the lower 48 suffer through the cold and snowy winter with one reaction: envy. That's because Alaska is enduring the opposite, facing record high temperatures and extremely low snow totals. Alaska Public Radio Network's Annie Feidt reports that the unusual weather has made it difficult for residents to enjoy the winter sports, like skiing, that are popular in the state.

NASA's most accurate census yet of near-Earth asteroids suggests that astronomers already know the location of more than 90 percent of the largest asteroids that could cause mass extinctions. The survey also suggests there are far fewer midsize asteroids than expected, but scientists don't know where most of these are.

Two monkeys with spinal cord injuries were able to move after a wireless implant restored the connection between brain and legs. But any help for people will be years away, researchers say.

Firefighters say children are among a handful of survivors located in what remains of the Hotel Rigopiano ski resort in Italy. Rescue crews have been extricating the trapped people from the ruins.

Besides disaster assistance, FEMA also oversees the creation of flood maps, which are then used to set building codes and flood insurance rates. Superstorm Sandy struck as FEMA was updating those maps, and now some homeowners looking to rebuild face an expensive choice.

Some of the levees in New Orleans patched up after Hurricane Katrina flooded the city were unable to hold back surging waters from Hurricane Rita. Parts of the city that had been mostly drained of standing water are flooded again.