What a new map of the universe tells us about dark matter
We still can't see the dark matter thought to make up about a quarter of the universe, but at least now we have a map of its structure.
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Articles on Universe
Displaying 1 - 20 of 45 articles
Curious Kids: what started the Big Bang?
What caused the Big Bang is still a mystery. And that's just one of the many unanswered questions, in spite of everything we do know about the birth of the Universe.
Can we ditch dark energy by better understanding general relativity?
Is dark energy just an illusion, as is often suggested? To resolve the dilemma, interpreting the basic principles of general relativity in a complex Universe may need a rethink.
LIGO detects more gravitational waves, from even more ancient and distant black hole collisions
These ripples in the very fabric of the universe were hypothesized by Einstein a century ago. Now scientists have detected them for the third time in a year and a half – ushering in a new era in astrophysics.
ASKAP telescope speeds up the hunt for new Fast Radio Bursts
It used to take weeks to find any of these mysterious signals from deep in space but when the new telescope started looking it found one within days. Then another.
The other Eurovision star hunt: Australia joins with Europe to explore the universe
Australia's new partnership with the European Southern Observatory will give our astronomers access to much bigger telescopes.
Live fast, die young: a massive ‘dead red’ galaxy seen for the first time in the early Universe
The recipe book for galaxy formation may need to be rewritten after the discovery of a massive galaxy that stopped making new stars early in the Universe's history.
New powerful telescopes allow direct imaging of nascent galaxies 12 billion light years away
Astronomers are surprised by what they're finding out about galaxies that formed in the early days of our universe, now that sensitive telescopes allow direct observation, not the inference of old.
Lack of ‘dark matter’ in early galaxies perplexes astronomers
So where did all the dark matter come from?
The Australian Square Kilometre Array Pathfinder finally hits the big-data highway
After months of running in test-mode, the Australian Square Kilometre Array Pathfinder telescope is now gathering data at an incredible rate to give us a new look at how our universe works.
Book review: Do we live in A Fortunate Universe?
A new book explores some of the big questions of why the universe exists and why it seems fine-tuned for life.
Answering the biggest question of all: why is there something rather than nothing?
Leibniz’s 'great question' remains a central question in philosophy and science today.
Relax, the expansion of the universe is still accelerating
New research out this month has led to speculation that the acceleration of the expanding universe might not be real after all. So what's really going on?
To uncover the secrets of exoplanets, try listening to them
Sonification is a technique for converting data into sound. It could transform the study of distant worlds.
After our universe’s cosmic dawn, what happened to all its original hydrogen?
A new telescope aims to figure out what became of the universe's original atoms once the first stars began to shine.
The big picture of the universe reveals the family tree of galaxies
Hundreds of images of thousands of galaxies have given astronomers one of the most detailed galaxy studies ever compiled.
Second detection heralds the era of gravitational wave astronomy
The observation of gravitational waves from a second black hole merger implies there are many more black holes in the universe than scientists had previously anticipated.
Mysterious blobs in our Milky Way could be part of the missing matter
Astronomers think they may have found evidence within our galaxy of some of the missing matter thought to make up our universe.
We are lucky to live in a universe made for us
If some of the laws of physics were only infinitesimally different, we would simply not exist. It almost looks like the universe itself was built for life. But how can that be?
Don’t panic, but the universe is slowly dying
Our universe's most exciting days are well behind us, with new research showing the universe is now slowly but surely dying.
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