The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

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Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

A “natural history” approach to space exploration would take into account instead developments in the fields of physics, ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...