Malcolm Walter

Curious Kids: How was the ocean formed? Where did all the water come from?

28 Jun 2018

Scientists have been researching the source of water on earth for a long time - and believe it came from a combination of two places.

School of rock

02 Aug 2017

The discovery in the Pilbara of the oldest evidence of land-based life could help in the search for life on Mars.

Oldest evidence of life on land found in 3.48 billion-year-old Australian rocks

10 May 2017

Fossils discovered by UNSW scientists in ancient hot spring deposits in the Pilbara have pushed back by 580 million years the earliest known evidence for microbial life on land.

Indian Mars mission beats neighbours

13 Nov 2013

India's mission to Mars will search for methane and could reveal an important aspect about the history of water on the red planet, writes Malcolm Walter.

Alien life: coming to a planet near you?

04 Sep 2012

I have been searching for evidence of extra-terrestrial life since the 1980s. I believe that we will probably find it, writes Malcolm Walter.

To see Mars, visit Australia

26 Feb 2010

Ever wondered what it would be like on the Red Planet? You can see the next best thing right here in Australia's vast and ancient desert regions.