Recently, scientists discovered a number of new comets, two of which will be passing by Earth in October. Here's everything ...

Chicago-area residents could be treated to a wonderful nighttime display as Comet Lemmon makes its closest approach to Earth in coming days.

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

A comet is a ball of ice and rock and is a leftover fragment from the formation of the solar system. Comets generally live ...

The comets can be seen from the Northern Hemisphere as their orbits take them through our cosmic backyard. Two such ...

A rare opportunity to see not one but two comets awaits skygazers this October. We show where and how to view them.

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on October 21, which is dimmer than what they showed last week," Saint Louis ...

Comets tend to have two tails. One is known as the dust tail, and it tends to be more curved, while the other, known as the ...

Comet 2025 C/2025 A6 - known as Comet Lemmon - will become brighter and brighter in Colorado's early evening skies over the ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.