Articles on Astronomy

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Spacemen’s hardening arteries

Exposure to cosmic radiation may be detrimental to astronauts’ arteries, according to a study by University of Alabama at…
Scientists believe dark matter makes up 23% of the universe. NASA

New chatter on dark matter

Dark matter has worked its way back into the news in the last few days with the completion of a detection experiment in a tunnel deep under the Italian Alps. Researchers from Columbia University used a…
Are CSIRO’s ASKAP antennas in Boolardy a precursor to greater things? By Ant Schinckel, CSIRO

Hip hip hooray for the (Aussie?) Square Kilometre Array

We know a lot about what the universe looks like and how it works. But what we’ve been able to figure out about the cosmos is dwarfed by all the things we don’t know. How do galaxies, stars and planets…
Viewed from afar, the Milky Way might appear similar to the galaxy known as NGC 7331. R. Jay GaBany/NASA

Explainer: a beginner’s guide to the galaxy

Where are we within our galaxy? How did our galaxy form? How did it evolve over the aeons? Astronomers have been asking these questions for the past century, and have recently begun discerning the answers…
Hundreds of exoplanets have been discovered, but are we any closer to finding life? AAP

Exoplanets: how the search for life became sexy

In the late 1980s, when I was a young whipper-snapper just starting out as an astronomer, it was quite obvious some fields had an incredibly high profile and others were outré. The sexy ideas at the time…

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