Did you know that plastic waste is more than just a nuisance? Discover some eye-opening facts that will change the way you think about this global issue. Let's work together to reduce our plastic ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to SkyatNightMagazine. We'll see six planets in the first part of February – ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

New findings reveal that a NASA mission traveled to an asteroid that may have once been covered in salty lakes containing ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

While planets circle the sun in what's called a heliocentric orbit, they rarely fall together in what appears to the human eye as somewhat of a line across the visible horizon. Saturday is one of ...