C/2023 A3 (Tsuchinshan-ATLAS) was visible to the naked eye earlier in October as the comet, which is sort of an icy space snowball, flew past the sun and Earth. Fresh telescope footage from the U ...

The third-largest outbreak in history of the deadly Marburg virus was sparked by a single jump of the pathogen from an animal to humans, preliminary genomic evidence shows. The outbreak began last ...