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

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 ...

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 ...

A newly discovered exoplanet, located just 35 light-years from Earth, could be one of the most promising places to search for ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...