This planet candidate, Alpha Centauri Ab, could be a gas giant, orbiting 1 to 2 times the distance between Sun and Earth, according to two papers to be published in the Astrophysical Journal Letters.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed the Hubble Ultra Deep Field (HUDF), an area of deep space with nearly 10,000 galaxies in the constellation Fornax.