Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. When you purchase through links on our site, we may earn an ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

In a major milestone for a decades-long project, the Giant Magellan Telescope project recently passed its final design review, locking in the design for the telescope enclosure and paving the way for ...

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

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When you buy through links on our articles, Future and its syndication partners may earn a commission. The U.S. Postal Service issued two Priority Mail stamps on Tuesday, Jan. 21, 2025, featuring ...

LONG BEACH, Calif. -- The big bang, black holes, dark matter, dark energy, extrasolar planets, brown dwarfs, quasars, pulsars, cosmic rays, the space-time continuum, galaxies and more galaxies. Do you ...

Big telescopes feature some of the finest and most precise mirrors in the world. So when one gets dirty, what happens? The European Southern Observatory (ESO) operates some of the most powerful ...