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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.

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 NASA/ESA/CSA James Webb Space Telescope have found strong evidence of a giant planet orbiting a star in the stellar system ...

Alpha Centauri is our closest stellar neighbor, a binary star system located just 4.376 light-years away. Despite its proximity, repeated astronomical surveys have failed to find hard evidence of ...

Located about 4.25 light years from the sun, Proxima is less famous than the Alpha Centauri binary star system it hangs around with. But while Alpha Centauri is made up of two rather sun-like ...

Direct imaging of exoplanets requires a way to blot out the overwhelming glare of a star. Most systems featuring sunlike stars "are actually multi[-star systems]," Ruslan Belikov, an astronomer at ...

Alpha Centauri is about 4.4 light-years (roughly 25 trillion miles, or 40 trillion kilometers) from Earth and is home to three separate stars.

This would make potential Alpha Centauri objects—if they really are somewhere in there—difficult to observe. Though, it wouldn’t be impossible.

Alpha Centauri is racing toward us at 0.007 light-years per century (80,000 kilometers per hour) and will be closest 28,000 years from now, when it will be 3.2 light-years from Earth.

Located in the constellation of Centaurus (The Centaur), at a distance of 4.3 light-years, this system is made up of the binary formed by the stars Alpha Centauri A and Alpha Centauri B, plus the ...