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A surprisingly big black hole might have swallowed a star from the inside out, and scientists are baffled

  • Written by Roberto Soria, Professor, National Astronomical Observatories, Chinese Academy of Sciences
A surprisingly big black hole might have swallowed a star from the inside out, and scientists are baffledA recently discovered black hole -- found by the way it makes a nearby star wobble -- is hard to square with our understanding of how these dark cosmic objects form.NAOC, Chinese Academy of Sciences

About 15,000 light years away, in a distant spiral arm of the Milky Way, there is a black hole about 70 times as heavy as the Sun.

This is very...

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how do guide dogs know where their owners want to go?

  • Written by Carmel Nottle, Lecturer - Human Movement / Clinical Exercise Physiology, University of South Australia
how do guide dogs know where their owners want to go?A lot of people may think a guide dog tells a person when they can cross the road. But this is not actually true.Shutterstock

How do guide dogs know where their owners want to go? – Mia, age 6.

how do guide dogs know where their owners want to go?

Mia, thank you for your question. I know a bit about this topic because I have some experience training and using an assistance dog myself. Also, as...

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Driverless vehicles and pedestrians don't mix. So how do we re-arrange our cities?

  • Written by Peter Newman, Professor of Sustainability, Curtin University
Driverless vehicles and pedestrians don't mix. So how do we re-arrange our cities?Autonomous vehicles can only travel at speed at close quarters in the absence of human drivers, cyclists and pedestrians.posteriori/Shutterstock

Videos showing autonomous or self-driving vehicles weaving in and out of crossroads at speed without colliding suggest this technology will solve traffic problems. You almost never see pedestrians or...

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Crafting in times of crisis helps critters and creators

  • Written by Emily Brayshaw, Lecturer, Fashion and Design History, Theory, and Thinking, University of Technology Sydney

The bushfires burning across Australia are having a devastating impact on our unique native wildlife.

But while record numbers of injured and orphaned animals are being treated, tens of thousands of people across Australia and from as far away as France and the Netherlands are responding to the animals’ plight by knitting, crocheting and...

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More Articles ...

  1. How drought is affecting water supply in Australia’s capital cities
  2. Before you let your child quit music lessons, try these 5 things
  3. Grace Millane's murder trial shows social attitudes continue to minimise gendered violence
  4. Adoption law should be reformed to give children legal connections to both of their families – here's why
  5. Uber might not take over the world, but it is still normalising job insecurity
  6. What is the Pharmacy Guild of Australia and why does it wield so much power?
  7. the story of Demeter and Persephone
  8. The internet's founder now wants to 'fix the web', but his proposal misses the mark
  9. Scott Morrison under fire for calling NSW police commissioner over Angus Taylor investigation
  10. here's what to expect for the Murray Darling this summer
  11. Does our child protection system cause young people to commit crimes? The evidence suggests so
  12. Now we know. The Reserve Bank has spelled out what it will do when rates approach zero
  13. 5 story senses and the art of writing for children
  14. As bushfires intensify, we need to acknowledge the strain on our volunteers
  15. What actually is an ATAR? First of all it's a rank, not a score
  16. Antibiotic resistant superbugs kill 32 plane-loads of people a week. We can all help fight back
  17. What the US defence industry can tell us about how to fight climate change
  18. rerouting rivers to recapture a pioneering spirit
  19. how much does flying contribute to climate change?
  20. How weather radar can keep tabs on the elusive magpie goose
  21. Treasurer Frydenberg to announce $520 million fund for small businesses investmnt
  22. Kevin Rudd urges Australia to reduce its economic dependence on China
  23. Scott Morrison stands by energy minister Angus Taylor, who faces police probe
  24. Researchers allege native logging breaches that threaten the water we drink
  25. join us in conversation on humanity vs. the internet
  26. tech companies are tracking and misusing our data, and there's little we can do
  27. The evidence shows pharmacist prescribing is nothing to fear
  28. Chinese 'spy' case may be the greatest challenge to Australian security since Petrov – but caution is needed
  29. warrior king, rebuilder of cities, and musical muse
  30. Greedy doctors make private health insurance more painful – here's a way to end bill shock
  31. Designer fashion, nostalgia magnet - what's behind the rise and rise of the sneaker?
  32. The most important issue facing Australia? New survey sees huge spike in concern over climate change
  33. The RBA has a new brain. It has thoughts on what'll happen after interest rates hit zero
  34. we explain in 6 charts
  35. 'Gay gene' testing apps aren't just misleading – they're dangerous
  36. when city folk just assume they're better
  37. ASIO investigating allegation China wanted a horse in the democratic race
  38. Tesla's Blade Runner-inspired pickup truck kind of flopped. Here's why
  39. Scott Morrison announces $537 million for aged care in response to royal commission
  40. 145 years after Jules Verne dreamed up a hydrogen future, it has arrived
  41. Genetic testing IVF embryos doesn't improve the chance of a baby
  42. How Westpac is alleged to have broken anti-money laundering laws 23 million times
  43. Government's Commonwealth Integrity Commission will not stamp out public sector corruption — here’s why
  44. how marketers measure Dolly Parton's magic
  45. We're delaying major life events, and our retirement income system hasn't caught up
  46. Teens with at least one close friend can better cope with stress than those without
  47. Making every building count in meeting Australia's emission targets
  48. What are lost continents, and why are we discovering so many?
  49. Josh Frydenberg turns up heat on Westpac chiefs as bank issues a 'response plan'
  50. That moving graph of US tax rates that went viral, it's probably wrong. Here's why

Business News

The Reason Talented Teams Underperform

If you’re in business, you might have seen it before. A team of capable and smart people just suddenly slows down, and things start spiraling out of control. On paper, everything looks perfect, but ...

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Why More Aussie Tradies Are Moving Away From Paid Ads

Across Australia, a lot of tradies are busy. There’s no shortage of demand in industries like plumbing, electrical, landscaping, and building. But being busy doesn’t always mean running a smooth or...

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Why Careers In The Defence Industry Are Growing Rapidly

The defence sector has evolved far beyond traditional roles, opening doors to a wide range of opportunities across technology, engineering, intelligence, and operations. This is where defense industry...

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