Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The id ...
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Astronomers detect unknown “sphere” orbiting distant star
Astronomers have recently detected a mysterious sphere orbiting a distant star, capturing the attention of the scientific community. This discovery raises intriguing questions about its origin, ...
The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
Imagining familiar images in the sky has always been an easy way to track the annual progress of the stars. Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official” ...
"It is larger than the size of most anything to which it might be compared." The universe's largest structure, the Hercules-Corona Borealis Great Wall, was already a challenge to explain with models ...
What just happened? NASA's latest observatory is preparing for a two-year mission to create a 3D map of the entire celestial sky. SPHEREx, which is short for Spectro-Photometer for the History of the ...
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