Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star – one of our closest stellar neighbors – though they concluded that all of them are too hot to harbor life, much ...

A superior conjunction occurs when Venus is the farthest from Earth, on the other side of the sun. Conversely, astronomers ...

Fellipe Abreu/Getty Images The planets are 20% to 30% the mass of Earth and make a full orbit around the sun in days ... the nearest single star system to our solar system, are seen in this ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Starting closest to the sun, our home star's nearest neighbors ... The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive ...

The Sun, the main source of light and energy, is the brightest object in our solar system, shining on and lighting up all other celestial bodies. Jupiter, the biggest planet in our solar system, ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...