About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.

Archaeologists excavating at a medieval cemetery in Denmark have found the burials of 77 people who were early Christians in the area but still likely harbored pagan beliefs.

Some AI models appear to show a resistance to being shut off. Are they developing a survival drive? Or is it all in how they prioritize tasks?

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

The U.S. government is divesting from mRNA vaccines, but will other uses of the technology be spared? In a time of ...

California-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to "sell sunlight" ...

Researchers from Peking University say their resistive random-access memory chip may be capable of speeds 1,000 faster than the Nvidia H100 and AMD Vega 20 GPUs.

November's full Beaver supermoon will occur on Nov. 5, but it will be best seen the following evening as it rises into the ...

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing ...

Researchers have gained new insights into rhinoceros evolution and the longevity of the North Atlantic Land Bridge from ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...