How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Gianluca Masi, an astronomer with the Virtual Telescope Project, ... Every planet in the solar system will be visible on Wednesday (Dec. 28). Here's how to see them : Read more ...

"These nights, we can see all the planets of our solar system at a glance, soon after sunset," Gianluca Masi, an astronomer with the Virtual Telescope Project told Newsweek.

(NEXSTAR) – The James Webb Space Telescope has the out-of-this-world honor of observing exoplanetary systems – those outside our solar system – but only we humans get the chance to name the ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Don't worry though—it's not like one planet simply fell out of the solar system. We'll explain what happened and also show you some tricks for remembering the order of all of the planets that ...

Every Planet in the Solar System Is on Display for a Short Time in 'Planet Parade' People who look up at the night sky to the south will be able to see planets Mercury, Venus, Mars, Jupiter, and ...

If you step back in time, thousands of years ago, people knew about the brightest planets pretty much everywhere. These are Mercury, Venus, Mars, Jupiter and Saturn. And pretty much ...