Astronomers found strong evidence that a gassy Jupiter-size world is orbiting Alpha Centauri A, one of three stars in the ...

New evidence suggests Ceres could be one of the most important places to explore in the solar system. Donald Trump's ...

NASA's James Webb Space Telescope has discovered evidence of a giant planet orbiting a star in the solar system closest to ...

Astronomers have used NASA's James Webb Space Telescope to find strong evidence for a planet orbiting a star in the triple ...

Astronomers using the James Webb Space Telescope (JWST) have found strong evidence for a new exoplanet — one orbiting Alpha ...

Hubble has helped uncover a white dwarf that’s likely the result of two stars crashing together. Carbon traces in its atmosphere tell a story of a cosmic merger, a rare phenomenon previously invisible ...

Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.

In some of its most ambitious work yet, the James Webb Space Telescope looked to spot a planet in a potentially habitable ...

Researchers may have discovered a gas giant orbiting the star Alpha Centauri A, and it appears to be in the star's habitable ...

We usually think of satellites as small objects orbiting planets or stars. But in the broader universe, galaxies themselves ...

We usually think of satellites as small objects orbiting planets or stars. But in the broader universe, galaxies themselves can have ...

A Dartmouth-led study identifies potentially more that 300 small galaxies orbiting low-mass systems known as dwarf ...