Jan 25 Leader in smallpox eradication, Dr. William Foege, dies at 89 By Mike Stobbe, Associated Press Dr. William Foege, a leader of one of humanity's greatest public health victories — the global eradication of smallpox — has died. Continue reading
Jan 25 The last refuge for a tiny hummingbird facing extinction is an ancient forest in Ecuador By Gonzalo Solano, Cesar Olmos, Associated Press Deep in the Ecuadorian Andes, the Yanacocha Reserve is the last refuge for a tiny hummingbird teetering on the edge of extinction. Continue reading
Jan 24 These rock salt alternatives for clearing ice and snow are safer for your pets and yards By Alexa St. John, Caleigh Wells, Associated Press It's easy to dash to the closest hardware store to grab a bag of salt, but experts say there are a lot of environmental and other factors to consider when tackling all that ice and snow. Continue reading
Jan 21 WATCH: Returned astronauts say ultrasound machine 'really helped' during medical crisis By Marcia Dunn, Associated Press During their first public appearance since returning to Earth, the four astronauts refused Wednesday to say which one of them needed medical attention and for what reason. It was NASA's first medical evacuation in 65 years of human spaceflight. Continue reading
Jan 21 Stretched polar vortex, moisture and a lack of sea ice all to blame for dangerous winter blast, meteorologists say By Seth Borenstein, Associated Press Meteorologists said the eastern two-thirds of the nation is threatened with a winter storm that could rival the damage of a major hurricane and has some origins in an Arctic that is warming from climate change. Continue reading
Jan 20 The U.S. is on the verge of losing its measles elimination status By Devi Shastri, Associated Press Last year, the CDC confirmed 2,144 measles cases across 44 states — the most since 1991 — and nearly 50 separate outbreaks. Continue reading
Jan 20 Antarctic penguins threatened as warming temperatures cause them to breed earlier, research shows By Seth Borenstein, Associated Press A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end. Continue reading
Jan 19 Watch 12:00 On board the voyage to Antarctica to learn why a massive glacier is melting By Miles O'Brien, Kate Tobin Scientists are worried about the melting of Antarctica's ice sheets and what it could mean for sea levels. There's a two-month-long journey underway to conduct research that will better explain what's happening. But it's a journey that provides no guarantees… Continue watching
Jan 16 Watch 4:10 Introducing 'Horizons' and 'Compass Points' from PBS News We have exciting news about PBS News and two new programs. These are two original productions that expand the depth and reach of our journalism. Hosted by William Brangham, "Horizons from PBS News" explores the science, health and technology news… Continue watching
Jan 15 Ailing astronaut returns to Earth from space station early in NASA's first medical evacuation By Marcia Dunn, Associated Press It was an unexpected finish to a mission that began in August and left the International Space Station with only one American and two Russians on board. Continue reading