Introduced species can wreak havoc on native ecosystems. Many states are flooding their waterways with them.

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

Mexico's monarch butterfly population jumped 64% in 2026, offering hope even as experts warn the species remains at risk of ...

Neanderthal DNA explains how human faces form, tardigrades struggle in Martian soil, new tech tracking monarch butterflies and a fish with a hole in its head.

A colony of African vervets in Dania Beach raises big questions about how humans can and should manage nonnative species.

History of fish and chips from 1860s to 20th-century peak popularityDecline due to overfishing, rising cod prices, and fewer shopsHopeful revival via ...

A frog species known since 1838 may actually be several different species, according to a new genetic study of Southeast Asia’s “fanged frogs.” ...

Recent data showing an increase in lead exposure and deaths among critically endangered California condors seems to fly in ...

Fearing that extreme weather threatened its epic breaks, Oriente Salvaje is piloting the first surf insurance policy to protect livelihoods and ecosystems ...

Disturbing increases in toxic lead exposure are linked to wider foraging by the critically endangered California condor and more wild pigs being shot throughout the state, masking positive effects of ...

Millions of years ago – ages before the Crimson Tide and Auburn Tigers college football rivalry was born – another fight went ...

Locals warned Belo Monte would kill the river, and now the plant faces a turning point as prophecies become real.