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 ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

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 ...

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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 ...

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 ...

Give the gift of the cosmos with these Father's Day smart telescope deals, with huge savings to be had across Unistellar telescopes like the new Odyssey Pro. When you purchase through links on our ...

Want to make the most of your money? Now that Black Friday's over, here's when you should shop to save on gear.

There is no shortage of ambition packed into the rocket that lifted off from French Guiana at lunchtime on Thursday. The celestial mission carries two space telescopes that aim to unravel the universe ...

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 ...