Glaciers may answer a Martian mystery
New study offers new theory on faint young Sun paradox.
Rather than flowing across its surface during a warm, wet phase early in its history, the water that carved the river...
A new way of making oxygen on Mars
Breakthrough process is about more than Perseverance.
In a discovery that may someday help astronauts on Mars, scientists have found a new way of making oxygen under Marti...
New and detailed atlas of the skies
Telescope maps three million galaxies in 300 hours.
A new radio telescope in outback Western Australia has just created an atlas of the southern sky in record-breaking t...
Was Earth once a bit more like Venus?
Researchers create magma to model our old atmosphere.
The degassing of early Earth’s magma ocean may have produced an atmosphere similar to that found on Venus today – ric...
Shining light on the Sun’s source of power
New class of neutrinos ends a chapter of physics.
Scientists working with $AU60 million instrument in Italy have found a new class of neutrinos coming from the Sun tha...
Zooming in on space
Lots of pixels and our second minimoon.
When trying to find things in space, it helps to have technology on your side. And the technology keeps getting bette...
‘Fossil galaxy’ found deep in the Milky Way
Astronomers suggest they collided when our galaxy was young.
Astronomers say they have discovered a “fossil galaxy” hidden in the depths of the Milky Way that may alter thinking ...
Shadows in space?
Hubble gets down and dusty with IC 5063.
This Hubble Space Telescope image of the heart of the active galaxy IC 5063, 156 million light-years from Earth, reve...
It’s blue, but it’s not actually a ring
Scientists solve a 16-year-old cosmic mystery.
The so-called Blue Ring Nebula, which has perplexed astronomers for a decade and a half, appears to be the youngest k...
Rethinking the Milky Way’s evolution
Telescopes combine to reveal orbits of ancient stars.
An investigation into the odd orbits of the galaxy’s oldest stars may prompt astronomers to rethink how the Milky Way...
Space isn’t the place to run out of fuel
A clever new gauge may help keep track of things.
Keeping an eye on your fuel levels in space can be tricky – and that can be costly. Let a satellite's tank run dry...
Colour and movement in the skies above
A cosmic amethyst and the Perseus Cluster.
You can’t beat space for great snapshots, and here we present not one but four new ones. Above is what could be ca...