Earth
These tropical species are travelling to the north
Should we be picking up dead leaves?
Why some animals change color during fall
Greta Thunberg's latest message for world leaders
Why the U.S. has so many big cats in captivity
The "water palace" was built in the 18th century by the raja of Jaipur state
The effects of climate change in the world
Why does the earwig have those pincers?
Why leaves fall in autumn
Why the dung beetle is rolling this ball
What are these butterflies doing to this turtle?
Meet the cutest animal in the world