Little is more enticing than the prospect of seeing alien worlds around other stars—and perhaps one day even closely studying their atmosphere and mapping their surface. Such observations are ...

Proxima Centauri, the star closest to our sun, may harbor a second planet—still. “Since the very first time we saw this [potential planetary] signal, we tried to be its worst enemies,” says Fabio Del ...

Since the first confirmation of an exoplanet in 1995, there have been more than 4,000 such impressive discoveries. Taking images of them, however, has proven to be a difficult task considering that ...

An artist’s impression of the Proxima Centauri planetary system, with exoplanet Proxima c on the right. Lorenzo Santinelli, CC BY-SA Astronomers have discovered what appears to be a second exoplanet ...

Proxima c, a candidate second planet orbiting Proxima Centauri, was detected with the radial velocity method. The announced long orbital period (5.21+0.26−0.22 years), and small semi-amplitude of the ...

Proxima Centauri b is the closest world beyond our solar system that we know of, but scientists are checking to see if it's alone. Eric Mack has been a CNET contributor since 2011. Eric and his family ...

BERKELEY, California — Not just one, but two planets might be orbiting the nearest star to our sun, a small red dwarf called Proxima Centauri that’s about 4.24 light-years away. If the planet is there ...

The closest star to the solar system may have yet another planet. Proxima Centauri, which is just about 4.2 light-years away, may be home to a frigid world six times as big as Earth. Mario Damasso at ...