There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

If you are a budding astronomer or simply enjoy watching the sky through a telescope, you probably have an interest in all of the planets in our solar system. There are a total of eight planets, ...

This month, if you should incline your head slightly upwards at night, you will receive a treat in the form of six of the eight planets visible in the skyline. Mercury, the closest planet to the Sun ...

Another astronomical event is set to take place next month! In the early hours of Monday, June 3, six of the eight planets — Mercury, Mars, Jupiter, Saturn, Uranus and Neptune — will be present in the ...

The planets of the solar system were lined up in the sky Wednesday night in an astronomical phenomenon, visible from Earth, known as a "planet parade." The phenomenon, which was also visible Tuesday ...

An artist's rendition of the eight planets in our solar system. The planets are depicted closer together than they really are. NASA / JPL Nearly two decades after Pluto got kicked out of the planet ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

The Sun is orbited by eight planets, at least five dwarf planets, tens of thousands of asteroids, and around three trillion comets and icy bodies. Although not all objects of the solar system are as ...

When the skies darken during the total solar eclipse on April 8, colors will change, and some stars and planets will be visible in the daytime. Here's what to look for, and where. When you purchase ...

The alignment on June 3 will be visible in much of the Northern Hemisphere, depending on the weather Becca Longmire is a digital news writer-reporter at PEOPLE. She has been working at PEOPLE since ...

An observer in or near the path of totality for the April 8 solar eclipse, can make useful observations of the appearance of the moon's shadow projected on the Earth's atmosphere, before, during and ...