Scientists find evidence for several Earth axis shifts during the age of dinosaurs
A new study finds evidence that Earth may have undergone several episodes of rapid true polar wander during…
Mysterious Rock Formation in Jezero Crater Reveals Mars’ Complex Watery Past
Using data collected by NASA’s Perseverance rover, planetary scientists have revealed that a geologically puzzling formation in Jezero…
Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees…
Ancient DNA Rewrites Story of Enigmatic ‘American Cheetah’
For several decades, paleontologists have described Miracinonyx trumani — an extinct species of cheetah-like felid that roamed the…
What’s the Largest Current on Earth? It Moves More Water Than Every River Combined—Many Times Over
Antarctic Circumpolar Current. Credit: Wikimedia Commons Earth’s mightiest current has no banks. The Antarctic Circumpolar Current, or ACC,…
Fossils from Chinese Cave Fill Crucial Gap in History of Gigantopithecus blacki
Deep inside a limestone cave in southern China, paleontologists have uncovered an assemblage of thirteen fossilized teeth belonging…
Ancient Earth Repeatedly Thawed during Catastrophic Ice Ages, New Research Suggests
Earth experienced extreme climate swings during the Neoproterozoic epoch (one billion to 538.8 million years ago), including the…
Earth’s Longest Ice Age May Have Repeatedly Thawed and Refrozen for 56 Million Years
Artistic representation of a Snowball Earth. Credit: Wikimedia Commons. The Sturtian glaciation was one of the most extreme…
New Species of Fossil Koala Found in Museum Drawer
Long-overlooked fossils in the Western Australian Museum collection have been identified as a new species of koala. Named…
Scientists Solve Origin of a Massive Ocean Current Carrying a Hundred Times More Water Than All the World’s Rivers Combined
Antarctic Circumpolar Current. Credit: Wikimedia Commons Earth’s mightiest river has no banks. The Antarctic Circumpolar Current is the…
Earth’s 40 000-year axial tilt cycle influenced subtropical marine productivity during early Antarctic ice sheet expansion
The cycle, known as obliquity, reflects changes in the angle of Earth’s axis and affects how solar radiation…
Earth’s distance from the Sun found to dramatically alter seasons
A strip of cool water stretches west from South America along the equator, helping set the pace for…