Astronomers have identified a giant planet circling a tiny red dwarf star at a distance so extreme that it sits about 690 ...

What a surprise to discover a planet that instantly evokes the Star Wars universe! Instead of a single sun, it orbits two ...

Planetary size was determined pre-spacecraft by measuring the planet's angular diameter and its distance from Earth (in AU, later converted to terrestrial units after the AU was accurately measured ...

Distances in space are usually impossibly large and hard to get a handle on but this week astronomers said as many as six percent of stars known as Red Dwarfs have planets around them in the habitable ...

LIVERMORE, Calif. --There are more exoplanets further away from their parent stars than originally thought, according to new astrophysics research. In a new paper appearing in the Jan. 12 edition of ...

The exploration of planets around stars other than the Sun, known as extrasolar planets or 'exoplanets', is one of the most exciting topics of 21st century science. One of the key goals of this ...

A team of scientists just demonstrated something that might shock you: Mercury, not Venus, is the closest planet to Earth on average. The researchers presented their results this week in an article in ...