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

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

A planet parade is when several of our solar ... Even the suburbs may not be far enough away for many folks. If you're planning a long drive out of the city and its surroundings, you'll want ...

Many of the planets, however, won't be visible due to their proximity to the sun. On the evening of Feb. 28, Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars will align in the sky just ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.