Supernova remnant

A 400-year-old supernova explosion creates a spectacular scene.

Mysterious bleaching

The smooth coral flower (Eusmilia fastigiata) usually varies in colour from shades of yellow-grey to brown with blue-green tinting and white tentacles, but this particular specimen found on a reef in the Caribbean…

The human immune system in action

Scanning electron microscope technology reveals the image of scavenger cell engulfing tuberculosis bacteria.

Observing the Sun

  The European Space Agency (ESA) will launch the Solar Orbiter mission in 2017. It will investigate the connections between the Sun and the heliosphere, the magnetic bubble that surrounds our solar system….

Dangerous salmonella discovered

Scientists have discovered hypervirulent salmonella bacteria.

Baby Weedy Seadragons

Sydney Aquarium’s four baby Weedy Seadragons made their debut this week.

As hard as a diamond?

  Ceramic could be the next supermaterial.

A view from above: Australian Outback

  Astronaut and World Wide Fund for Nature ambassador André Kuipers took this picture of the Australian Outback in March 2012. It was release during Earth Hour to raise awareness about climate change.  

A view from above: Melbourne

This image of the capital city of the state of Victoria was captured by astronaut André Kuipers from the International Space Station. Melbourne was founded in 1835, and today its metropolitan area is…

Tiny predators unleashed

Water fleas (Daphnia dentifera) are evolving. Researchers at Georgia Institute of Technology discovered that water fleas allow outbreaks of  the virulent yeast parasite Metschnikowia bicuspidata to improve their chances of survival. After the outbreak, the host…

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