Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

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

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

See Comet Lemmon shine in the skies over England in a new sunset portrait. Award-winning astrophotographer Josh Dury has ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

The comet is fast approaching its closest encounter with Earth on Tuesday, March 21, a harmless 28.6 million miles.

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

The Orionids — one of two major meteor showers caused by remnants from Halley’s comet — will peak with the arrival of a new ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) captured comet Comet 96P/Machholz latest flyby of the Sun. See a ...

Astronomers are watching a new comet pass through our solar system with great interest. Based on its glow, the 33-billion-ton ...

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