Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

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

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of 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.

Our cosmic home, the solar system, contains incredible planets and magnificent celestial objects, all held together with the ...

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

Occasionally, asteroids get caught in Earth’s orbit, temporarily becoming mini moons before continuing their cosmic paths.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

But in the early 1980s, Dennis Hope, who had been unemployed for around a year, believed he had found a loophole. The Outer ...