A pair of spacecraft are launching on a mission to observe the sun's corona by one casting a precise shadow from which the ...

Did you know? Galaxy mergers can result in the creation of new stars, rings of material, and active galactic nuclei. Top 5 ...

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

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

Jupiter reaches opposition; meanwhile, the star Canopus shines bright and the constellation Pictor offers many gems to view.

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making ...

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 ...

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 ...