Mon., June 23, 2025 A composite image of the supernova 1E0102.2-7219 contains X-rays from Chandra (blue and purple), visible light data from VLT’s MUSE instrument (bright red), and additional data ...

For thousands of years we assumed the Earth was the center of the universe. When Galileo advanced the proposition that the Earth revolved around the sun and was, in fact, only one of many planets that ...

Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early universe.

Mapping the Universe’s vast structure no longer requires endless supercomputer time. Effort.jl brings cosmic modeling to laptops without sacrificing accuracy.