A protester uses molotov cocktails against riot police during May Day protests on May 1, 2010 in Athens, Greece. (Photo by Milos Bicanski /Getty Images)
Jumping spiders are often very colourful spiders. Maratus volans is not an exception. Although tiny, male spiders have an iridescent colouring of red, green and blue.
The tempestuous stellar nursery called the Carina Nebula, located 7,500 light-years away from Earth in the southern constellation Carina. (Photo by Reuters/NASA)