Just six light-years from the solar system — in cosmic terms, our backyard — exists a world ... In 2016, astronomers found a planet orbiting the nearest star to Earth in this system, called ...

"Even if the star is about 2,500 degrees cooler than our sun, it is too hot to ... Barnard's star isn't the closest star to the solar system; that honor goes to the Alpha Centauri stars, Proxima ...

Alpha Centauri, the closest star system to Earth, is home to three stars, one of which is so tantalizingly similar to our sun that many experts speculate that its solar system might contain ...

The planet, called Proxima b, orbits its parent star every 11 days and has a temperature suitable for liquid water to exist on its surface. This rocky world is a little more massive than the Earth, ...

The probe will orbit the sun "close enough to pass inside a solar eruption, like a surfer diving under a crashing ocean wave, ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our ... of the Solar System. Its closest approach should bring it within 3.83 million miles of the star, which ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

The Sun has been acting up, and we can finally confirm why. NASA announced that our host star is officially in the most active period of its cycle, creating stormy space weather that may last ...