Artist's impression of a gas giant orbiting Alpha Centauri A.

Astronomers find new evidence for planet around our closest solar twin

07 August 2025

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system closest to our own Sun. At just four light-years away from Earth, the Alpha Centauri triple star system has long been a target in the search for worlds beyond our solar system.

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An image of the star Gilese 581 (bottom of image), with an illustration of the debris disc superimposed to show its position.

Low-mass planets make good neighbours for debris discs

27 November 2012

Astronomers using the Herschel Space Observatory have detected massive debris discs around two nearby stars hosting low-mass planets. The discovery suggests that debris discs may survive more easily in planetary systems without high-mass planets.

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