One evacuated passenger tests positive for hantavirus and another develops symptoms on flight home

WHO head seeks to reassure residents of Spanish island where hantavirus-stricken ship is headed

‘The truth is out there’: Pentagon release of UFO files sparks reaction at Air and Space Museum 

Spiral galaxy’s brilliant heart shines bright in a new picture from NASA’s Webb telescope

Scientists say don’t forget about plants. Climate change is endangering tens of thousands of species

Planes and ships could run on kelp someday, but there are serious hurdles