Scientists had previously suggested fossils belonged to Nanotyrannus, a proposed miniature species of the iconic predator.
If this happens, temperatures across Europe and the Northern Hemisphere generally could drop.
Scientists say one of the stones was hit by one huge lightning strike or multiple smaller ones.
The tomb also contained the remains of two younger women and a teenage girl.
He was jailed for three years and fined $430,000.
The Marree Man is a 2.2 mile geoglyph, whose origins remain a mystery two decades after its discovery.
"They develop this lifelong outlook that people just aren't a big deal," said senior Yellowstone wolf biologist Doug Smith.
SpaceX founder Elon Musk tweeted a video showing construction progress on the dome tank for Starship, a spacecraft designed to eventually take Earth colonists to the moon and Mars.
Sunny skies, high pressures and gentle winds have triggered a marine heatwave in the South Pacific currently heading towards South America.
Colorado Parks and Wildlife also shared footage of elk running through the morning fog.
Archeologists digging in Mexico southeastern state of Yucatán discovered a centuries-old palace built by the Mayans more than 1,000 years ago.
Celebrate the 50th anniversary of the Apollo 11 Moon landing with a road trip to some of the places that made it possible.
AI devices, heads-up displays, smart license plates and more are make drivers safer.
Less than half of crowdfunded projects meet their goals, but these speakers, sleep trackers, puzzles and more killed it on Kickstarter and Indiegogo.
"The climate is changing..." said Xavier Fettweis, a climatologist at the University of Liège in Belgium.
The study involved hundreds of teenagers in Pittsburgh.
As populations and BMIs increase so will demand for calories. A study published in Plos One projects an 80 percent increase in demand by 2100.
Research looking at audience enjoyment of "The Last Jedi" suggests watching a film with overly high (or low) expectations can wreck your enjoyment.
A recent experiment with atomic nuclei is hard to square with our current understanding of physics.
Based on its brightness, the asteroid is estimated to measure between 919 and 2,034 feet in diameter.
A brief guide to the new words and phrases used for expressing ourselves that cropped up in 2019.
We may think tattooing is a modern phenomenon, but the reasons for its popularity are not dissimilar to those seen in the prisons and convict ships of the Victorian era.
TOXMAP, an interactive map that allowed users to find polluted areas such as factories and toxic waste cleanups, has been shut down by the National Library of Medicine in a move some observers connect to the White House's rollbacks of environmental policies.