Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

Sky Shorts author says Orion a favorite constellation, and shares key details to find and appreciate its beauty.

By mid century, the familiar constellations that guided sailors and storytellers could be drowned in a permanent artificial ...

How Donald Trump tried to ground NASA’s science missions ...

Finding new worlds out there is pretty exciting, right? Scientists are getting really good at spotting planets around other ...

"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

Astronomers have found a planet-forming disk that looks like a solar system on steroids. New images from NASA's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust ...

This artistic impression shows the collision of two planetesimals in the young, evolving planetary system of Fomalhaut. NASA’s Hubble Space Telescope has captured the dramatic aftermath of two violent ...

One of the most stubborn issues in cosmology today concerns the universe's rate of expansion. Scientists know it's expanding, ...

NASA's Hubble Space Telescope captured the largest planet-forming disk ever seen, a massive, burger-shaped cloud of dust 1,000 light-years away from Earth. - NASA / ESA / STScI / Kristina Monsch / ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have captured what may be the biggest planet-forming disk ever seen around a young star; and it looks unexpectedly wild. Using NASA’s ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to new planets. Not only is it the largest planet-forming disk astronomers ...