A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

What is the actual speed and direction of our solar system as it moves through the cosmos, and how does this compare to ...

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

A new study with the incredibly exciting title of "Overdispersed Radio Source Counts and Excess Radio Dipole Detection" has ...

As it heads out of the solar system never to return, the deep space probe Voyager 1 is headed for yet another cosmic ...

It was soon deduced that this is an interstellar comet, meaning it has come from another solar system. It's only the third ...

Astronomers have discovered our solar system occupies a rare "safety zone" in the Milky Way, perfectly positioned between the ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

Our galaxy, the Milky Way, is home to multiple wonders. There is our biggest star, VY Canis Majoris, the column-like structures known as the Pillars of Creation, and, in the middle of it all, a ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

Look into the night sky, and it might seem like space is a vast expanse of darkness. But are any regions darker than others? What's the darkest place in the solar system and, on a grander scale, the ...