A comparison of star-forming galaxies suggests, surprisingly, that dark matter and visible matter do interact – taking us closer to understanding what keeps the galaxies together.
Articles on Spiral galaxies
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Anyone with an internet connection can search the universe and possibly discover never-before-seen galaxies.
More than 60 images capturing huge expanses of sky are sent to us from Chile. Within them we can see thousands of bright spots. What do we find when we look closer?
COVID-19 may have messed up school and shut down a lot of entertainment venues. But you can still brighten things up by doing a little stargazing at night, an astronomer says.
Massive, far distant galaxies contain 100 times more gas than we thought possible.
A precursor to the Square Kilometre Array- the MeerKAT telescope - is being built right now and remarkable progress has been made in the last 12 months.
Astronomers are surprised by what they’re finding out about galaxies that formed in the early days of our universe, now that sensitive telescopes allow direct observation, not the inference of old.
Galaxies are supposed to be the place where new stars are formed. So what causes some to stop this stellar production line?
Extragalactic astrophysicists want to know how and why galaxies stop forming stars, change their shape and fade away. With help from citizen scientists, they’re figuring it out.
Top contributors
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Associate Dean of Innovation and Engagement, Swinburne University of Technology
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Post-doctoral researcher in Astrophysics, University of the Western Cape
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PhD student in observational astronomy, Monash University
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Professor of Astronomy & Astrophysics, University of California, Santa Cruz
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Senior Lecturer in Astrophysics, Liverpool John Moores University
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Assistant Professor of Galaxy & Black Hole Astrophysics, ETH Zurich
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Professor and Director of the Centre of Excellence for Data Science, AI and Modelling, University of Hull
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SARAO Postdoctoral Fellow, University of the Western Cape
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University Distinguished Professor of Astronomy, University of Arizona
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Associate Professor in Astronomy, Monash University
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Co-Director Space Technology and Industry Institute, Swinburne University of Technology