Goodbye to a beauty in the night sky

For over a century and a half, Eta Carinae has been one of the most luminous – and most enigmatic – stars of the southern Milky Way.

Active galaxies point to new physics of cosmic expansion

Investigating the history of our cosmos with a large sample of distant 'active' galaxies observed by ESA's XMM-Newton, a team of astronomers found there might be more to the early expansion of the universe than predicted ...

New alloy to solve lead problem in drinking water

Material scientists at UNSW Sydney have come up with a lead-free brass alloy to replace traditional plumbing brass materials that have been shown to leach lead into drinking water.

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