Researchers said the planet has a mass six times greater than our Earth's and orbits in a "habitable zone" of a star similar to the sun. While located 20 light-years away, scientists believe the ...

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - called HD 20794 d - may house water, according to the international ...

Why the 'Planet Parade' will peak this weekend and look its best until 2036 as all seven other planets in the solar system ...

A planet that may support alien life has been discovered less than 20 light-years from Earth. The "promising" super-Earth - called HD 20794 d - may house water, according to the international research ...

Researchers said the planet has a mass six times that of our Earth, and orbits in a "habitable zone" of a Sun-like star. While it is located 20 light-years away, scientists believe the planet - called ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Trump put Mars missions in the spotlight in his January inauguration speech. Experts don’t believe a flag-planting will be possible until well beyond Trump’s second mandate.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...