Scientists find new clue to the moon’s origin
Scientists have discovered the first definitive proof that the moon inherited indigenous noble gases from the Earth’s mantle.
The discovery represents a significant piece of...
Would we have continents without asteroid impacts?
Early Earth was a wild and wooly place.
In its first billion years, during a period called the Archean, our planet was still hot from...
More than one asteroid could have wiped out the dinosaurs
Scientists have found evidence of an asteroid impact crater beneath the North Atlantic Ocean that could force researchers to rethink how the dinosaurs reached...
60 million years of climate change drove the evolution and diversity of reptiles
Just over 250 million years ago during the end of the Permian period and start of the Triassic, reptiles had one heck of a...
Meteorite provides record of asteroids ‘spitting out’ pebbles
In 2019, NASA’s OSIRIS-REx spacecraft sent back images of a geological phenomenon no one had ever seen before: pebbles were flying off the surface...
How did Earth avoid a Mars-like fate? Ancient rocks hold clues
Earth's solid inner core formed 550 million years ago and restored the planet's magnetic field.
Approximately 1,800 miles beneath our feet, swirling liquid iron in...
New Mexico Mammoths among best evidence for early humans in North America
The remains of two mammoths discovered in New Mexico show that humans lived in North America much earlier than thought.
About 37,000 years ago, a...
Clock is ticking to save East Antarctica from climate change
The worst effects of global warming on the world's largest ice sheet could be avoided if nations around the world succeed in meeting climate...
Subsurface water on Mars defies expectations
A new analysis of seismic data from NASA’s Mars InSight mission has revealed a couple of surprises.
The first surprise: the top 300 meters of...
Giant meteorite impacts created Earth’s continents, shows study
New Curtin study has provided the strongest evidence yet that Earth’s continents were formed by giant meteorite impacts that were particularly prevalent during the...