Canberra: Astronomers at the Australian National University (ANU) have discovered the oldest known star in the universe, the university press release said Monday.

This Space Telescope Science Institute image shows a star discovered to be the oldest ever found, by Dr. Stefan Keller with the SkyMapper telescope at the Siding Spring Observatory near Coonabarabran, New South Wales, Australia. Pic: AFP PHOTO/ SPACE TELESCOPE SCIENCE INSTITUTE