Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ago.
The wildfire season globally has lengthened by almost 20 percent in 35 years as the average temperature has risen, a climate change study said Tuesday.
Australia's new ocean-going research vessel Investigator has discovered extinct volcanoes likely to be 50 million years old about 250 kilometres off the coast of Sydney.
Wood samples collected from inland Pilbara trees indicate the region recently enjoyed a period of unusually high rainfall, compared to the previous two centuries.
Patterns of peak rainfall during storms will intensify as the climate changes and temperatures warm, leading to increased flash flood risks in Australia's urban catchments, new UNSW Australia research suggests.
Australian scientists said Wednesday they have uncovered a "very rare" 2,000-year-old natural sea pearl—the first found on the vast island continent—while excavating a remote coastal Aboriginal site.
Most people know that sharks have a distinctive, all-cartilage skeleton, but now a fossil from Western Australia has revealed a surprise 'missing link' to an earlier, more bony form of the fish.