The comet is now racing away from the sun following a close flyby on Jan. 20.

On February 17, the comet will make its closest approach to Earth from 94 million miles, roughly as far as the Sun.

NASA confirms Comet C/2024 E1's perihelion on 20 January 20 will increase brightness but limit visibility; experts urge ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last ...

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

A famous comet visiting from outside our solar system known as 3I/ATLAS is blazing through our cosmic neighborhood, leaving a striking trail in its wake. A ground telescope in Chile recently glimpsed ...

Predicted to reach perihelion again in 2028, it will give astronomers a chance to get additional insights.

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. On Friday, Oct. 17, 2025, Comet Lemmon will be visible both ...

Evidence from medieval chronicles suggests that the periodic nature of Halley’s Comet was recognized centuries earlier than previously believed.