After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

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 ...

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

I/ATLAS anomalies and enormous kinetic energy update highlights seven unusual features of the interstellar object studied by Prof. Avi Loeb. The objects size, composition and trajectory suggest ...

The sneaky asteroid is from the Apollo cluster, a group of near-Earth asteroids that can occasionally get pretty close to us. It sped past at a break-neck 46,700 miles per hour, while it's believed to ...

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