Chiron is a centaur approximately 200 km in diameter and takes about 50 years to complete a full orbit around the Sun.

Times Scientists Created Astonishing New States of Matter: 25 Strangest Things Scientists Have Discovered In Space: Its a big ...

An ominous-looking nebula named NGC 246 lurks in the constellation Cetus about 1,600 light-years away from Earth. It is ...

Telescopes regularly reveal the wonders of our universe, but once in awhile, they also turn up hauntingly spooky sights out in the cosmos. Here's the science behind some of the creepiest objects in ...

A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Space dust provides more than just awe-inspiring pictures like the Pillars of Creation. It can provide the necessary materials to build everything from planets to asteroids. But what it actually looks ...

Earth is set to host a rare visitor, interstellar comet 3I/ATLAS, on October 29, 2025. Discovered in July 2025, this celestial object, originating from beyond our solar system, will pass by at a safe ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a very different structure than comets in the solar system. Hydroxyl compounds ...

Comet Lemmon will cut through the neck of a cosmic serpent on the night of Oct. 26, when it passes through the stars of the constellation Serpens Caput ahead of its close approach to the sun in early ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Since the first discovery of 3I/ATLAS on July 1, the interstellar object’s origin and nature has become a center of attention in a scientific community. On October 29, 2025, the interstellar object ...