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'Once-in-a-lifetime' nova explosion will appear to add new star to night sky in dazzling spectacle: NASA New York Post NASA, Global Astronomers Await Rare Nova Explosion NASA"Once-in-a-lifetime" cosmic explosion is likely this summer, NASA says. Here's what to know. CBS NewsAstronomers await the rare ‘Blaze Star’ this summer NewsNation Now‘Once-in-a-lifetime’ explosion expected to happen over summer, NASA says WFTV Orlando

Tiger mosquitoes blamed for spread of dengue fever: ‘Most invasive species’ Fox NewsSpread of tiger mosquito behind rise of dengue fever in Europe BBC.comInvasive tiger mosquitos in Europe driving dengue surge, experts warn The IndependentDengue surges in Europe thanks to climate change POLITICO EuropeTravel-associated dengue cases: place of infection of cases imported to the EU/EEA European Union

Watch NASA astronauts collect microbe samples during ISS spacewalk today (livestream video) Space.comInternational Space Station U. S. Spacewalk 90 plus.nasa.govNASA astronauts will scrape microorganisms off ISS during upcoming spacewalk Popular ScienceNASA Astronauts Checking Exterior of Space Station for Living Organisms FuturismISS spacewalk to study microorganisms on exterior of orbiting lab UPI News

H5N1 bird flu growing cause for concern; latest news, developments Business InsiderAvian Influenza A (H9N2)- India World Health Organization (WHO)With 100M birds dead, poultry industry could serve as example as dairy farmers confront bird flu The Associated PressBird flu outbreak at dairy farms continue to raise concerns about virus spreading PBS NewsHourAre We Prepared for Bird Flu?

ESA-China moon cooperation could end with Chang'e-6 SpaceNewsChinese moon researchers gearing up for June 25 arrival of far side samples Space.comIntelligent mini rover captures photo of Chang'e-6 on far side of moon XinhuaMoon cooperation beats competition as Chang’e-6 lunar samples offered to international scientists South China Morning PostChina Roundup: Chang'e 6 lands on the Moon, and record-breaking EVA - NASASpaceFlight.com NASASpaceflight.com

Mosquitoes test positive for West Nile virus in Des Moines. How to protect yourself: Des Moines RegisterMosquitoes return to Des Moines with a vengeance AxiosFirst Mosquito Tests Positive For The West Nile Virus In Iowa iHeart