A body at least twice as massive as the Earth smashing into Uranus could have made it lopsided, shows research.
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Articles sur Solar system
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Naming features on other worlds is a trickier issue than you might think.
When you look up at the vastness of space you can see hundreds, thousands and even millions of years into the past.
Voyager 2 launched in 1977 and visited all four gas giants in our Solar System. It's now almost 18 billion kilometres from Earth and has finally joined its twin in interstellar space.
We will never see 'Oumuamua again, and we may never know exactly what it is. But with the right kind of media coverage it could inspire some kids to take up a career in science.
Whether you call it Planet X or Planet Nine, talk of another planet lurking in our Solar system won't go away. So what does the discovery of a new object – nicknamed "The Goblin" – add to the debate?
The upper atmosphere of Venus is the most Earth-like extra-terrestrial location in the solar system. It could even host life.
The five planets visible to the naked eye since ancient times are putting on a dazzling display this month, in a night-sky dance along with the Moon.
Space mining has the potential to provide a greater supply of resources either for being exploited locally for construction or being sent back to earth.
Jupiter's bands are one of its most striking features – and can be seen from Earth – but they only go so deep within the giant planet. Now scientists think they know why.
Researchers have found evidence of a large lake of salty water, buried 1.5 kilometres beneath the southern polar ice cap on Mars. So what does that mean for life on the red planet?
Jupiter now has at least 79 moons, the most for any known planet. But where did these newly discovered moons come from?
Titan is more than a billion kilometres from our Sun but occasionally it's shadow can be seen here on Earth, with the right technology. That's what scientists gathered in Western Australia to observe.
Each meteorite is a piece of the puzzle to understanding our solar system.
Discovery of many icy worlds helps unravel the solar system's history.
A three-dimensional look and listen at a dark cloud in space sheds new light on the mystery of how our solar system formed billions of years ago.
Now's a great time to see Jupiter as it's about to be the closest to Earth for some time. Time too to catch up with the latest on the Juno mission, exploring the largest planet in our Solar System.
Red spots suggest Mercury may have formed far away from the sun.
Scientists looking for signs of alien life from the mystery object passing through our Solar system say they've found nothing "so far".
A new trajectory means the mission to uncover core facts about the asteroid belt will happen sooner than planned.
Les contributeurs les plus fréquents
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Professor (Astrophysics), University of Southern Queensland
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Tanya Hill est un·e ami·e de The Conversation
Honorary Fellow of the University of Melbourne and Senior Curator (Astronomy), Museums Victoria
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Professor of Planetary Geosciences, The Open University
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Associate professor in astronomy, Monash University
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Alice Gorman est un·e ami·e de The Conversation
Senior Lecturer in Archaeology and Space Studies, Flinders University
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Instrument Scientist, Australian Nuclear Science and Technology Organisation
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Postdoctoral Fellow, Astrophysics Researcher, UNSW
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Associate Professor and Research Fellow, Swinburne University of Technology
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Professor of Planetary and Space Sciences, The Open University
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Senior Lecturer in Environmental Science and Planetary Exploration, University of Stirling
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Professor of Physics, Deputy Director (Solar System) at the Mullard Space Science Laboratory, UCL
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PhD Research Student, History & Philosophy of Science, University of Melbourne
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Professor in Earth Sciences, University of Cambridge
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Associate Professor, Japan Aerospace Exploration Agency (JAXA)
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Postdoctoral fellow, UNSW
