The Pontifical Academy for Life is holding a meeting of scientists, theologians, and historians March 3-4 at the ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its status as the ninth planet in our Solar System. From that day forward ...

The astronomical linkup is fairly common and can happen at least every year depending on the number of planets.

The seven other planets in our solar system will line up in the night sky on Friday evening for a rare alignment called a ...

It is being called a "planetary parade" as seven planets are expected to be seen in the Earth's night sky on Friday, ...

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.

When we have five or more planets filing into a small sky area, an alignment is upgraded to parade status. Parade is not an ...

In many ways, Donald Trump’s election to a second term as U.S. president is a story of economic dissatisfaction. For the ...

Between February 25 and February 28, all seven planets in our solar system will be visible in the night sky. It's known as a ...

Wolf 359, a red dwarf star just 7.8 light-years away, could host planets, but extreme X-ray and ultraviolet radiation make ...

A stunning "parade of planets" will grace the night sky this week, with all seven of Earth's celestial neighbors joining the ...