A decade ago, astronomers observed gravitational waves for the first time. What has emerged since is a picture of the universe as a vast ocean – dark and powerful.

Social media reports of fireballs lighting up the night sky seemingly pop up very regularly — just this week hundreds of people saw one over the US and Canada. Are they becoming more frequent or are w...

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New research shows that binary systems containing a magnetar and an unlucky companion star can explain bumps in supernova light curves.

Hundreds of gamma-ray bursts (GRBs) have been recorded as part of an enormous global effort so extensive it "rivals the catalogue of deep-sky objects created by Mess...

It is currently unknown how matter behaves at the extreme densities found within the cores of neutron stars. Gravitational waves from binary neutron star mergers encode rich information about the star...

YouTube video by MonashPhysicsAndAstronomy

The ringdown portion of a binary black hole merger consists of a sum of modes, each containing an infinite number of tones that are exponentially damped sinusoids. In principle, these can be measured ...

A telescope can reveal so much of the night sky, including Saturn’s rings and the Moon’s craters, but choosing the right telescope is a difficult decision. Here’s what you need to know.

When stars like our Sun die, they expel their outer layers in a dramatic stellar wind. This study of an unusual chemical signature in one particular stellar wind reveals that the signature is due to t...

Do all big black holes in very massive galaxies emit radio waves? We used the latest radio telescopes to find out.