Proxima b is the closest known Earth-like planet beyond our solar system. At just 4.2 light years away, it’s a major focus of ...

A study has suggested it might be possible to detect aurorae on Proxima b, the closest exoplanet to Earth, which might tell us about the planet’s potential habitability. The rest of this article is ...

Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

Scientists have confirmed the existence of the exoplanet Proxima b, a planet just 4.2 light-years from Earth. Given how close it is to its star, Proxima Centauri, it could have liquid water, and ...

The rocky planet circling the closest star to the sun got hammered by a superpowerful flare last year, a new study reports. That's a bit of bad news for anyone hoping that the alien world, known as ...

Researchers modeled the climate of the nearest exoplanet and found the weather might be much more pleasant than nearby worlds in our own solar system. Eric Mack has been a CNET contributor since 2011.

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 ...