Starlink: Light pollution from SpaceX satellites
There could soon be thousands of them orbiting Earth. These bizarre lines of glowing dots recently spotted in the night sky are Starlink satellites. Here's why Elon Musk's latest project is so controversial.
How do sharks find their prey?
Kenya: a massive bushfire finally put out after three days
Pink snow linked to an algae poses a threat to glaciers
An oil spill in Mauritius is threatening to devastate local biodiversity
Why cruise ships are so harmful to the environment
A huge dust cloud has hit America