There are 8 planets in the solar system, each unique in size, distance, and composition. Learn about all the planets in order from the Sun, their characteristics, and key facts that make them ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is ...

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...

Mercury is once again first in line to leave the Solar System, orbiting so close to the Sun makes it is the statistically closest planet to any other world in the Solar System.

Could a rogue star disrupt our peaceful solar system? Scientists are keeping a close eye on the galactic neighborhood, and ...

Science. Goodbye to our Solar System as we know it: Astronomers confirm there is a new planet orbiting the Sun beyond Pluto Science. Extraordinary discovery in the animal kingdom: dolphins ...

Its not everyday something runs away from the Milky Way, but NASA was able to captured this object with the help of ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Mars might become more temperate and hospitable to life. In addition, it could well be a boon for the gas giant Jupiter and its moons. That's because the habitable zone of the solar system will ...