Earth has experienced many icehouse and greenhouse climates. A new study shows how they connect to plate tectonics.
Cheetahs once roamed across most of Africa and parts of Asia, but now live in just 9% of their previous range and haven’t been spotted across the Arabian Peninsula for decades. That’s likely due to ...
The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.
The Ring Nebula, a stunning celestial structure residing in our neighborhood of the Milky Way galaxy, was discovered by ...
Where tourists map end and the the fences begin, lie places that aren't marketed, photographed, or casually stumbled into, ...
A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...
Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.
A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...
New simulations show Mars plays a key role in shaping Earth’s long-term climate by influencing its orbit and axial tilt over hundreds of thousands to millions of years.
A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...
A Pew Research poll shows partisan split over U.S. scientific leadership, with Democrats far more concerned about losing ...
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