SPHEREx tracked the interstellar comet as it grew considerably brighter after perihelion.

That community recently came together to observe Comet C/2023 A3 (Tsuchinshan-ATLAS) as it passed through the night sky. Near ...

Comet C/2025 R3 may reach rare brightness levels, offering a spectacular (and unpredictable) show before sunrise.

The comet broke into pieces after making a close approach around the sun in October 2025.

Comet C/2025 K1 (ATLAS) fragmented after its October 2025 solar approach, with telescope observations documenting multiple ...

CAPE CANAVERAL, Fla.(AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Just days ago, NASA dropped a batch of new images of a comet from an entirely different solar system that has for months been a source of public fascination and speculation. The object, named 3I/ATLAS ...

After years of speculation, scientists finally believe they have figured out the crystal conundrum thanks to new imaging from ...

Astronomers suggest the honor should go to an 11th century monk known for a disastrous flying attempt.