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.
Rebecca Allen, Swinburne University of Technology and Sara Webb, Swinburne University of Technology
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?
With the proper equipment, you can enjoy the beauty of the night sky.
Allexxandar via iStock/GettyImages
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.
ESO/UltraVISTA team. Acknowledgement: TERAPIX/CNRS/INSU/CASU
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.
Artist’s impression of a quasar shining through a galaxy’s ‘super halo’ of hydrogen gas.
A. Angelich (NRAO/AUI/NSF)
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.
Spiral galaxy NGC 3953 is a veritable star making machine, but why do some galaxies stop forming new stars?
NASA-Sloan Atlas
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.