In a stunning stroke of luck, Hubble witnessed a comet splitting apart almost in real time. The rare observation is giving ...
In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered ...
A newly discovered comet, C/2025 R3 (PanSTARRS), could be the brightest of its kind visible from Earth in 2026. The comet will make its closest approach to the sun on April 19 and its closest approach ...
Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a truly “great” one. Comet C/2025 R3 (PanSTARRS) hangs above Bietschhorn in ...
The Subaru Telescope observed the interstellar comet 3I/ATLAS on January 7, 2026, after it made its closest approach to the sun. By observing colors in the coma around the comet, astronomers could ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A newly brightening comet is now visible in the predawn sky ...
Comet MAPS (C/2026 A1) didn't survive its close encounter with the Sun, ruining its chances of brightening up the night skies. Reading time 2 minutes Bad news for skywatchers: A sungrazing comet that ...
An assessment published this week on the isotopic composition of interstellar comet 3I/ATLAS suggests an intriguing possibility: The comet may be between 10 and 12 billion years old, making it roughly ...
A vivid comet could soon adorn the evening sky. If it survives its early April approach toward the sun, the cosmic orb could even become visible to the naked eye, and possibly as bright as Venus. Yet ...
A vivid comet could soon adorn the evening sky. If it survives its early April approach toward the sun, the cosmic orb could even become visible to the naked eye, and possibly as bright as Venus. Yet ...
In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun. By Robin George Andrews Astronomers on Wednesday ...
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