A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 ...

The breakup was caused by the extreme conditions near the Sun; during its latest approach, C/2025 K1 flew as close as 0.334 ...

King William should have seen his demise coming, according to the medieval omen experts of his era. Halley’s comet appeared not long after he assumed the throne, and everyone at the time knew such ...

The international team of astronomers reports that all of the types of ice in the comet appear to be sublimating. This is the phase change where a solid turns into a gas, skipping the liquid phase.

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

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

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

The comet the world knows as Halley’s Comet may owe its “first to spot the pattern” credit to someone far earlier than Edmond Halley: an 11th-century English monk. New interdisciplinary research ...