Comets are small, roundish bodies made of dust grains mixed with ice. Most travel along elliptical orbits that occasionally ...

A team of astronomers, spearheaded by researchers from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences, has successfully conducted groundbreaking radio observations of ...

During the past few years, we have witnessed a bumper crop of bright naked-eye comets, beckoning us to set up a camera and record their beauty to share with friends and family. However, the next great ...

Protoplanetary disk. Figure from a computer simulation visualizing the formation of planets (https://svs.gsfc.nasa.gov/12278 ). Photo: NASA/JPL-Caltech. August 22, 2024, Mountain View, CA - An ...

In my lifetime, I have seen a few spectacular comets, starting with Halley’s Comet in 1987. Ten years later, it was Hale-Bopp Comet which blessed our skies for nearly 18 months. More recently (2020), ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

The green comets visible in the night sky are now at their minimum distance from Earth, so they should be at their brightest in the night sky. Comet Lemmon (also called C/2025 A6) and Comet SWAN ...

The solar system has one less comet. The much-heralded Comet MAPS, proclaimed by some as "The Great Easter Comet," met its end this past Saturday (April 4). The comet apparently underwent a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A green comet continues to shine brightly after sunset for ...

Comet C/2025 R3 (PanSTARRS) continues to brighten ahead of its closest approach to Earth on April 26, and you can watch it fly between the sun and Earth through the eyes of an orbiting spacecraft this ...

The first reports of comet 3I/ATLAS were made on July 1, 2025, by the ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Chile. This comet caught the world's attention since it was the ...