Great cities and neighbourhoods always have a particular kind of urban intensity - what we might call the “character”, “buzz” or “atmosphere” that emerges over time. While unique in many...

How did large galaxies, like our own Milky Way and the nearby Andromeda Galaxy, emerge from the featureless soup that existed after the birth of our universe?

Decades of observations and theoretical effort have provided a picture in which atoms pool into galaxies, drawn by the gravitational pull of dark matter. Our synthetic...

Within hours of Family First’s Bob Day submitting his Senate resignation on Tuesday, the government announced it would move for the High Court to rule on whether he had been ineligible to sit in the upper house.

The development throws uncertainty over the Senate’s future crossbench composition and the timing of the arrival of a new...