Great Barrier Reef
Sea snake attacks are mysterious and sometimes deadly, and now scientists say they may just be 'highly aroused.'
What started its life as a five-star holiday hotspot now sits abandoned and rusting just north of the Korean demilitarized zone.
The unexpected discovery is the tallest structure found in the Great Barrier Reef in 120 years.
Experts are blaming human-induced climate change and mass bleaching events for the devastating loss of the world's largest coral reef.
Forecasts for the largest living structure on Earth have become "devastating," scientists say, and the coral carnage will be even more widespread than the last mass bleaching in 2016-2017.
The technique has shown promising results, and researchers hope it could be used to restore parts of the Great Barrier Reef.
An underwater volcanic eruption created a huge raft that will evolve into a traveling habitat for many sea creatures.
Marine heatwaves present “a distinct biological phenomenon” from bleaching events, and could threaten the livelihoods of half a billion people.
A travel company wants to take vacationers to places that are being wiped out by climate change, and critics say that's bad for the environment.
The LarvalBot is an experimental technology that could revive damaged and dying parts of the Great Barrier Reef.
What would you rather: a private island or a one-bedroom shoebox in Sydney's inner west?
Great Keppel Island, once "a great place to get wrecked", is being bought back to life by the biggest cryptocurrency-backed property deal of all time.