By 2500 earth could be alien to humans, shows study
To fully grasp and plan for climate impacts under any scenario, researchers and policymakers must look well beyond the 2100 benchmark.
Unless CO2 emissions drop...
Scientists detect 1652 radio bursts from 3 billion light-years away
What seemed a cosmic trickle almost a decade ago now appears as a rapid-fire barrage from across the universe.
An international team of astronomers including...
Mass extinction changes rules of body size evolution
Scientists at Stanford University have discovered a surprising pattern in how life reemerges from cataclysm.
Research published Oct. 6 in Proceedings of the Royal Society...
Scientists find a previously unknown mass extinction event
Sixty-three percent.
That’s the proportion of mammal species that vanished from Africa and the Arabian Peninsula around 30 million years ago, after Earth’s climate shifted...
Why asteroid Bennu has so craggy surface
Scientists thought asteroid Bennu's surface would be like a sandy beach, abundant in fine sand and pebbles, which would have been perfect for collecting...
This extreme exoplanet is even more exotic, shows study
The fiery exoplanet WASP-76b – a so-called hot Jupiter, where it rains iron – may be hotter than previously thought.
Considered an ultra-hot Jupiter –...
Scientists discover new tardigrade fossil in 16-million-year-old amber
Tardigrades, also known as water bears, are a diverse group of charismatic microscopic invertebrates that are best known for their ability to survive extreme...
Some of the Moon’s craters are so dark, it takes ai to see what’s...
There is no dark side of the Moon.
But there are dark spots on it – specifically at the bottom of craters that are never...
Mystery solved: Why icy plumes come before supercell storms
When a cloudy plume of ice and water vapor billows up above the top of a severe thunderstorm, called a supercell, there’s a good...
These 23,000-year-old human footprints are the oldest in the Americas
“For decades, archaeologists have debated when people first arrived in the Americas,” says study coauthor Vance Holliday, a professor in the University of Arizona...