On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

A groundbreaking study using the Hubble Space Telescope has revealed a truly astonishing discovery about our universe: it may ...

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...

Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

More than a decade in the making, the Vera Rubin Observatory finally released its first image as its begins its ...

A new theory suggests Earth may be inside a cosmic void—offering a bold explanation for the mysterious Hubble tension in ...

In just over 10 hours of test observations, the Vera C. Rubin Observatory captured millions of celestial objects, opening the ...

Hubble captures forgotten globular cluster ESO 591-12 in rare detail ESO 591-12 sparkles with red and blue stars of varying ...

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Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

The brand new Vera Rubin telescope is about to begin its 10-year mission to offer the newest cosmic perspective we've had in a long time. For Big Picture enthusiasts like myself, such an ...

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a "rogue planet" drifting through ...