Ancient volcanoes may have spurred first ‘whiffs’ of oxygen in Earth’s atmosphere
Volcanic eruptions may have stimulated population surges of marine microorganisms, creating the first puffs of oxygen into the atmosphere, a new analysis of 2.5-billion-year-old...
Scientists retrace the lifetime journey of a 17,000-year-old Arctic woolly mammoth
Researchers have retraced the astonishing lifetime journey of an Arctic woolly mammoth, which covered enough of the Alaska landscape during its 28 years to...
Peabody fossils reveal dinosaur evolution in eastern North America
Tyrannosaurus rex, the fearsome predator that once roamed what is now western North America, appears to have had an East Coast cousin.
A new study...
This giant Jurassic dinosaur allosaurus was a scavenger, not a predator
In a new study, scientists show that Allosaurus, a large carnivorous dinosaur from the Jurassic that has long been thought to be a top...
Earth’s magnetic field could help date ancient archaeological artifacts
Archaeologists traditionally rely on finding organic remains for radiocarbon dating to pinpoint new finds in time, but often these are not found on sites...
Fizzing sodium could explain asteroid Phaethon’s cometlike activity
Models and lab tests suggest the asteroid could be venting sodium vapor as it orbits close to the Sun, explaining its increase in brightness.
As...
Scientists find first giant dinosaur fossils from early Cretaceous Hami pterosaur fauna
A joint Sino-Brazilian research team led by Dr. WANG Xiaolin from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of...
Astronomers find a nearby star that a spitting image of a young sun
Our Sun is about 4.6 billion years old.
We know that from models of Sun-like stars, as well as through our observations of other stars...
Drone could help people find fresh water in the sea
The people of Easter Island appeared to drink directly from the sea, European explorers reported in the late 1700s.
And today, you can see animals...
Scientists find a ‘fearsome dragon’ that soared over outback Queensland
Australia’s largest flying reptile has been uncovered, a pterosaur with an estimated seven-meter wingspan that soared like a dragon above the ancient, vast inland...