Are cassowaries ancient human farm animals? (Image: Andy Mack)
Millennia before the domestication of chickens and the like: residents of the island of New...
And that's still a conservative estimate; in reality, global light pollution may have increased by 270 percent(!) in a quarter of a century.
British...
Even forest trees that appear healthy to the naked eye can already suffer from stress. (Image: ViktorCap / iStock)
Subtle stress signals made visible:...
The footprints are the first undisputed evidence that humans were already found in the Americas during the so-called Last Glacial Maximum.
Researchers write that in...
Vampire bats are known for their amazingly complex social behavior. (Image: Michel VIARD / iStock)
Quirky and amazingly social: Researchers have gleaned new insights...