BERKELEY, Calif. — The nearest exoplanet to Earth may have a neighbor. Astronomers have detected a candidate planet circling the star Proxima Centauri, a dim red dwarf that lies just 4.2 light-years ...

Proxima b is the closest known potentially Earth-like planet beyond our Solar System. It orbits Proxima Centauri, the nearest ...

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 ...

Planets like Proxima Centauri b experience tides hundreds of times stronger than ones that move Earth’s oceans twice a day. The force of those tides also tugs on the planet’s atmosphere, but a recent ...

In August astronomers announced that the nearby star Proxima Centauri hosts an Earth-sized planet (called Proxima b) in its habitable zone. At first glance, Proxima Centauri seems nothing like our Sun ...

An artist's impression of a flare from Proxima Centauri, modeled after the loops of glowing hot gas seen in the largest solar flares. Exoplanet Proxima b is shown in the foreground. Proxima b orbits ...

The candidate planet Proxima d is estimated to be just 25% as massive as Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun's nearest ...

Call it exoplanet fatigue. The historic detection of an exoplanet just 4.2 light-years from Earth, featured on our cover, was big news. It attracted a lot of media buzz. But outside the office, I ...