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

Perhaps comets are like buses, because this month, there are three that are easily observable at once. In what looks like ...

Comet C/2025 R2 (SWAN) was discovered on Sept. 11 by amateur astronomer Vladimir Bezugly in images from NASA's Solar and ...

The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object.

Comet C/2025 R2 (SWAN) may become visible to the naked eye this October, offering a rare celestial show for skywatchers.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Scientists have discovered seven more "dark comets," and analysis of this haul suggests that the ...

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

The Perseverance rover on Mars imaged 3I/ATLAS with its Right Navigation Camera (Navcam), this image assists both scientific observation and rover navigation across Martian terrain.

We like to think of ourselves as a species that understands a lot about the Universe. Sure, we're far from knowing everything there is to know, but our current level of knowledge is enough to make us ...