Astronomers have identified a rare sednoid called Ammonite, an icy object beyond Neptune that offers new insight into the ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Astronomers found an interstellar "tunnel" - a cosmic channel that connects our solar system to distant stars, according to a ...

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 ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Scientists believe our solar system may be hiding a secret world — and it’s not the famous Planet X :eyes: A new study ...

From Voyager 1’s record-breaking journey into interstellar space to Uranus’s sideways spin creating decades-long seasons, the ...

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

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