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

The discovery of 128 additional moons orbiting Saturn was just confirmed by astronomers working with the Canada France Hawaii ...

For years, astronomers have searched the cosmos for planets capable of supporting life. Most efforts focus on the "habitable zone," the region around a star where a planet could have liquid water. But ...

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

NASA’s Hubble Space Telescope marks its 100,000th exposure, capturing a dazzling quasar 9 billion light-years away with a ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to reduce these tensions.

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.

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

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a cautionary tale from planet hunting’s prehistory ...

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