Space
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How can satellites and telescopes co-exist?
Astronomers discuss life with a growth industry.
Astronomers worried about having their observations affected by the bright trails of satellites streaking through the...
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Comet action caught in close up
Images reveal striking details of recent visitor’s rotation.
Comet NEOWISE (C/2020 F3) is the current darling of the skies and it’s been putting on quite a show. When it sped thr...
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Conversation
Asteroid approaching, but don't panic
It will either burn up or miss us completely.
By Jonti Horner, University of Southern Queensland Social media around the world lit up over the weekend, discussi...
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SpaceWatch: News of gas and asteroids
Things that are fast, close, active and dense.
Magnetised “rivers" feed star birth Stars form when clouds of gas and dust collapse under gravity, but how does th...
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Did Sun have an early binary companion?
New hypothesis talks of the Oort Cloud and Planet Nine.
In the early days of the Solar System, the Sun may have had a companion star, scientists say, making it part of a bin...
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Brown dwarfs that are doubly cool
Discoveries help bridge an important knowledge gap.
Astronomers and citizen scientists have together discovered 95 of the coolest known brown dwarfs – objects more massi...
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Bayesian statistics and the hunt for ET
Astrobiologists ponder what finding a sign might mean.
One of the goals of the next generation of giant telescopes, now rapidly nearing completion, is to scour the nearby h...
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A glowing report about auroral beads
Scientists learn more about the ‘lava lamps’ of space.
Scientists have uncovered the mysteries behind the formation of auroral beads and the role they play in our near-spac...
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What happens when a Moon lander lands?
Scientists model how far and fast the exhaust spreads.
As humans again dream of getting to the Moon, scientists are increasingly conscious of issues around the logistics an...
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Focus
Cosmos Q&A: Eye and AI on the sky
Thoughts on what technology does to astronomy.
As Cosmos reported this week, new technology continues to change the already hi-tech world of space watching, with th...
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SpaceWatch: Counting galaxies and stars
Technology makes the search all the more exciting.
The Universe may be big, but we’re rolling out the technology to try to understand it. Here are three updates on how ...
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A reflection from near the Moon
Scientists testing some Apollo-era equipment.
It’s not quite “ET phone home”, but NASA has finally got a signal from space that it’s been waiting for. Dozens of...