A disk galaxy, like our Milky Way, is a flat, rotating system with spiral arms spreading out from a central core. These ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

The effects of a proposed green-energy facility in Chile could be devastating for some of the most powerful instruments ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

NASA's James Webb Space Telescope was recently used to capture direct images of four Saturn-like exoplanets in a solar system 130 light-years away.

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...

SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.

Astronomers have discovered new evidence of small planets orbiting Barnard's Star, the closest single star system to Earth.

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The discovery is keeping astronomers on their toes about how planets are formed.

The James Webb Space Telescope (JWST) has directly imaged four planets orbiting the host star HR 8799 about 130 light-years ...