101 Galaxies Later: Why the Milky Way Stands Out in the Universe
New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...
One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
The Real Point of Space Exploration
Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...
NASA’s SPHEREx Will Unveil the Hidden Spectrum of the Cosmos
SPHEREx is a groundbreaking NASA telescope that will map the entire sky in infrared, revealing insights into cosmic inflation ...
JWST unveils the mysteries of distant quiescent galaxies: Why do they stop growing?
Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...
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Space photo of the week: James Webb and Hubble telescopes unite to solve 'impossible' planet mystery
New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.
Scientists detect a mysterious messenger from the cosmos
Undersea detectors anchored deep in the Mediterranean Sea found an ultra-high-energy neutrino, a particle that opens a new window onto the cosmos.
Astronomers find dark matter dominating in early universe galaxies
An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...