Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

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

The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

In science-fiction stories, companies often mine the moon or asteroids. While this may seem far-fetched, this idea is edging ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

At this time, the sun shines at such an angle to make it appear as if there is a gigantic 'V' and 'X' marking the barren ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...