Comet C/2025 R3 (PanSTARRS) might be the brightest comet of the year, scientists predict.

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A composite image comparing the relative sizes of our solar system's known dwarf planets, ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian object ...

CREDIT: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

The Voyager spacecraft has made a groundbreaking discovery at the edge of our solar system—an astonishing 50,000-degree wall ...

Why Can't We Find Planet 9? Deep in the outer reaches of our solar system, far beyond Neptune and Pluto, something massive is ...

Greetings stargazers. Everything we know about things outside of our solar system is from the light we receive. I am using ...