An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.

ESA's Proba-3 will be the first mission to create an artificial total solar eclipse by flying a pair of satellites 150 meters ...

The Hubble Space Telescope may be living our dream of wandering through the cosmos. It's the year 2000. We're floating in ...

James Webb Space Telescope image of the stellar nursery N79 in the Large Magellanic Cloud, a satellite galaxy of the Milky ...

TheAtlPhoto is sharing a new image from a space telescope every day until December 25. This photo from Hubble shows the ...

Vesto Slipher was not well known, but his groundbreaking observations helped uncover one of astronomy’s most fundamental ...

By combining JWST and Hubble data, an unprecedented high-resolution photo of Vega shows an extremely smooth and rare disk.

Magnetic Tornadoes Researchers have observed mysterious, "dark ovals," each roughly the size of the Earth, dotting the polar ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and ...

A side-by-side comparison of the photo with its predecessor from the Hubble telescope shows how clearer the newer telescope ...

While Jupiter’s Great Red Spot has been a constant feature of the planet for centuries, a team of astronomers have discovered ...