Archeologists discovered the mysterious arch at the end of a narrow, underground passageway that was sealed with sediment shortly after it was built in the Middle Bronze Age.
NASA's James Webb Space Telescope has detected potential traces of dimethyl sulfide, a chemical only known to be created by phytoplankton on Earth, in the atmosphere of an exoplanet believed to have its own liquid ocean.
An analysis suggests that annual temperature-related deaths in the U.S. could rise to one-third of the number caused by cancer if global warming hits 5.4 degrees Fahrenheit (3 degrees Celsius).
Some scientists are pushing for species named after offensive people such as Hitler to be renamed, but the official governing body that guides species renaming is opposed.
Alexandru Lupsasca and Michael Johnson won the physics prize for their work on photon spheres — weird rings of light around black holes that may reveal a theory of quantum gravity.
Mikhail Ivanov, Oliver Philcox, and Marko Simonović won the New Horizons Award for their work on large scale structures — the strands and filaments of our universe which contain buried clues to its most fundamental properties.
Researchers studied chimpanzee and monkey anatomy to better understand how humans evolved to have flexible shoulders and elbows.
A two-peaked mountain in northeastern China is the site of the world's first confirmed mountaintop crater.
Astronomers discovered an ultra-rare spiral galaxy with a ring of hydrogen swirling around its poles.
Asteroid Dimorphos, which NASA intentionally hit with a rocket during its DART mission in September 2022, is behaving in unpredicted ways.
New COVID vaccines have been approved to guard against coronavirus variants that are currently circulating.
Astronomers found evidence of multiple stellar-mass black holes lurking in the nearby Hyades cluster, just 150 light-years from Earth.
The weird gold dome-shaped object was found during an NOAA expedition to the Gulf of Mexico and is now being preserved in ethanol until it can be sent for laboratory analysis.
The footage of a puma hunting sheep was captured with thermal imaging cameras in the Patagonian wilderness as part of a new National Geographic show.
The stone spheres were crafted by early hominins who were trying to create symmetry in the objects, a new study suggests.
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Farming fundamentally altered the way humans live, eventually changing people from nomadic hunter-gatherers to sedentary city-dwellers.
The Food and Drug Administration reviewed data on phenylephrine, an ingredient in many popular decongestants, and deemed it ineffective when taken orally.
