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...
How dinosaurs carried their enormous weight
Scientists have cracked an enduring mystery, discovering how sauropod dinosaurs – like Brontosaurus and Diplodocus – supported their gigantic bodies on land.
A University of...
What part of a space rock survives to the ground?
When a small asteroid enters Earth's atmosphere from space, its surface is brutally heated, causing melting and fragmenting.
Therefore, it was somewhat of a mystery...
Scientists discover ancient source of oxygen deep in the Earth’s crust
Scientists at Newcastle University have uncovered a source of oxygen that may have influenced the evolution of life before the advent of photosynthesis.
The pioneering...
An interstellar meteor struck the earth in 2014, and now scientists want to search...
Back in 2014, an object crashed into the ocean just off the coast of Papua New Guinea.
Data collected at the time indicated that the...