How did Iran detect an ‘invisible’ F-35? Viral video points to a passive tracking system

F35 hit over Iran: viral animated clip suggests Iran may have detected an F-35 stealth fighter using passive infrared sensors ...

How birds send heat into space measured for the first time—a hidden reflectance of feathers

As human-caused climate change continues to raise temperatures across the globe, understanding how birds regulate their temperature is vital for their conservation. But how much heat birds emit—an ...