Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

An alignment means multiple planets are all visible in the sky from Earth. Three to eight planets constitutes an alignment.

For centuries, humanity has gazed at the stars, unraveling the mysteries of celestial motion. But what if the unusual orbits ...

Their current orbital properties are well understood but the planetary orbits have evolved and changed since the formation of the solar system. Planetary migrations have been the most prominent ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...

New research suggests that the Solar System may have captured a rogue planet, leading to changes in the existing orbits of the planets. The study, conducted by Edward Belbruno from Yeshiva ...

The water that makes up the oceans acted as a key ingredient for the development of life on Earth. However, scientists still ...