Earth’s Oceans Were Green a Billion Years Ago. They Could Soon Be Green Again.
Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...
Humans evolved to live on an icy planet. Earth is usually much hotter.
As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.
New Scientist3d
Earth’s oceans may have been green for billions of years
Some cyanobacteria have pigments that specialise in harvesting green light to power photosynthesis, which may be because they ...
Carnivorous dinosaurs thrived in Australia 120 million years ago, new fossils show
One of the Victorian carcharodontosaur shinbones was found on the Otway Coast. The other was found on the Bass Coast, in ...
earth2d
Bird evolution timeline pushed back at least 20 million years by new discovery
Jurassic bird fossil discovery of a species named Baminornis zhenghensis pushes bird evolution timeline back 20 million years ...
Did a Supernova Leave Its Mark on Earth? New Evidence from the Ocean Floor Suggests So
A team of researchers has found an unusual spike in beryllium-10 levels in the Pacific seabed, dating back 10 million years.
ABC75d
Asteroid 2024 YR4 could hit Earth in 7 years. Here's what could happen - and what's being done
Not much is known about 2024 YR4, but the asteroid is estimated to be 131 to 295 feet (40 to 90 meters ... asteroid that slammed into Earth 66 million years ago and led to the extinction of ...
Salon4d
Scientists look to the Miocene for clues of what we might expect from global heating caused by fossil fuels
Continents were arranged quite similarly to their configuration today, while plate tectonics pushed the Andes up from the Earth ... and ended just 2.4 million years ago), seemed like a reasonable ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Back to the Miocene: What the climate 13.8 million years ago could tell us about our future world
P rojections of our future under climate change paint a picture of extreme weather and acidified oceans, a world many of ...
Daily Express4d
Fearsome elephant hunting predator from 30 million years ago unveiled
Africa and North America during the Oligocene - a geologic epoch that lasted from about 33.9 to 23 million years ago - but declined towards the end of the epoch. During its time on earth the ...