![](https://pursuit.unimelb.edu.au/__data/assets/image/0027/92772/varieties/160w.jpg)
Professor Rachel Webster
Astrophysicist, School of Physics, Faculty of Science, University of Melbourne
See research profile![To infinity and beyond thumbnail image](https://pursuit.unimelb.edu.au/__data/assets/image/0019/102925/varieties/375w.jpg)
Sciences & Technology
To infinity and beyond
The past 18 months has seen incredible developments in our understanding of the universe. Pursuit revisits five of the biggest.
![Why science matters: Five of the best stories thumbnail image](https://pursuit.unimelb.edu.au/__data/assets/image/0026/105497/varieties/375w.jpg)
Sciences & Technology
Why science matters: Five of the best stories
A potential Ebola vaccine, water on Mars, record warming, 3D body parts and the cancer risks of processed meats all made headlines during the past 12 months
![Running water = possibly life on Mars thumbnail image](https://pursuit.unimelb.edu.au/__data/assets/image/0023/106358/varieties/375w.jpg)
Sciences & Technology
Running water = possibly life on Mars
The discovery of liquid water on the Red Planet is an important step in the search for life on our planetary neighbour, but it will take many more missions before we might find anything