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

A smudge of light spotted by the James Webb telescope near Alpha Centauri A could be the planet with the tightest orbit ever ...

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.

If Planet 9 is real, this observatory has around a 70 to 80 percent chance of finding it, he estimates, adding that it's not a sure thing because there are so many uncertainties.

Astronomers have discovered a possible new dwarf planet orbiting far beyond Pluto. First detected in March 2023 by Japan's Subaru Telescope in Hawaii, this object has been dubbed 2023 KQ14 and ...

We did not expect planets like TOI-6894b to be able to form around stars this low-mass. This discovery will be a cornerstone for understanding the extremes of giant planet formation.” TOI-6894b is a ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

Astronomers have long thought that if a planet orbits close enough to its star, the planet could interfere with the star's magnetic field and even trigger flares. Now, an international team of ...