Recently, an interstellar comet that began outside of our solar system has just made its closest pass of the sun.

Tianwen 1 has spotted the solar system's latest interstellar intruder from Mars orbit. China's Tianwen 1 Mars orbiter has ...

Astronomy enthusiasts and skywatchers alike have a reason to look up this December, as Comet 3I/ATLAS, a rare interstellar ...

Interstellar object 3I/ATLAS is showing signs of "non-gravitational acceleration" as it reached its perihelion.

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...

Comet 3I/ATLAS has made a striking return to our skies after disappearing behind the sun for a brief period.

We tend to think of memory as exclusively the brain’s domain, but new research suggests that this view may be far too narrow. A study from New York University shows that some ordinary human cells ...

Scientists have discovered a supermassive black hole flare, the largest seen in the universe, and it may be making a meal of ...

Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...