Fast and furious floods shaped Martian surface
Overflowing lakes sculpted Mars billions of years ago.
US scientists have discovered that overflowing lakes on Mars caused floods that carved out a quarter of the planet’s ...
Astrophysics
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Black holes exert ‘quantum pressure’ on their environment
Shedding new light on the true quantum nature of black holes.
Black holes aren’t as single-minded as we thought. It turns out their quantum behaviour adds a new, recalcitrant dime...
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Move over Dr Who: We can travel the (virtual) universe too
Seeking adventures in space and time from the comfort of your couch? Step aside Dr Who. The enti...
An international team of researchers has generated an entire virtual universe and uploaded it to the “cloud”. They th...
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Beyond black holes
The detection of gravitational waves has opened the door to a new realm of cosmological discovery.
I have a very clear memory of the moment I knew I wanted to become a scientist – it was when Neil Armstrong stood on ...
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Galaxies expel murkier gas than they take in
Galaxies take in fresh gas but fart out a complicated concoction.
Credit: James Josephides, Swinburne Astronomical Productions.The outflow of galaxies is much dirtier than the gas...
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Could black holes power alien civilisations?
Building energy-harvesting structures around black holes could be effective, scientists say.
For centuries, humans have gazed up and wondered if we are alone in the universe. In 1960, physicist Freeman Dyson ch...
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How big is a black hole? Watch how it eats
The more massive a black hole, the longer it takes between ‘burps’ of light.
A new study in Science has revealed that the feeding patterns of a black hole can tell us about its size.Supermas...
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Dancing ghosts
A new, deeper scan of the sky throws up surprises for astronomers.
By Ray Norris, Western Sydney UniversityScanning through data fresh off the telescope, we saw two ghosts dancing ...
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Spinning star hurtling out of the Milky Way
New data from a runaway star sheds light on its origins.
Astronomers have discovered that the runaway star LP 40−365 is not only catapulting out of our galaxy, but it’s spinn...
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First light detected from behind a black hole
X-rays bouncing off a black hole’s disc confirm Einstein’s predictions.
For the first time, astrophysicists have caught sight of light reflected from behind a black hole, proving Einstein r...
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Moon-forming disc detected around another world
A distant ring of gas and dust offers new clues about solar system formation.
For the first time, astronomers have unambiguously spotted a disc of gas and dust around a planet in a distant solar ...