NASA Confirms Brightening Comet SWAN Could Be Visible With Binoculars: When and Where to See It

Comet SWAN (C/2025 R2), discovered via NASA’s SOHO spacecraft, is rapidly brightening as it nears its October 20–21 Earth flyby. Skywatchers should look to the western horizon after sunset to spot its vivid green coma and tail — possibly visible to the naked eye in dark conditions.