This year, a PhD student from the University of Melbourne was one of the six winners announced on Wednesday morning, but the overall prize went to a photo of a scientist braving choppy Norwegian waters on the search for whales.
Top prize for Norway

Biologist Audun Rikardsen on the search for whales near fishing trawlers in the fjords of northern Norway. Credit: Emma Vogel
This photograph by Emma Vogel was the best of the over 200 entries and shows biologist Audun Rikardsen.
Another entry from Norway shows two figures on an ice sheet surrounded by impenetrable black.

Geobiologist James Bradley and microbiologist Catherine Larose are conducting fieldwork in the Norwegian archipelago of Svalbard. Credit: Dagmara Wojtanowicz
Dagmara Wojtanowicz captured the boring of an ice core by geobiologist James Bradley and microbiologist Catherine Larose in the Norwegian archipelago of Svalbard.
Australian university student featured

The South Pole Telescope at the Amundsen–Scott South Pole station, taken during Aman Chokshi’s stay at the research station. Credit: Aman Chokshi
The photograph of the massive South Pole Telescope in Antarctica was taken when Aman Chokshi was a PhD student at the University of Melbourne.