Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

Comet C/2025 R2 (SWAN): In contrast, Comet SWAN was discovered in September 2025 by the Solar and Heliospheric Observatory's SWAN instrument. This comet is best viewed in the predawn hours, low on the ...

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

Enter the European Space Agency’s two Mars satellites, which now have their cameras pointed at 3I/ATLAS. The comet also could provide good viewing this week for NASA’s Mars Reconnaissance Orbiter ...

Comets Lemmon and SWAN are now becoming visible. Although they will get brighter next week, you can glimpse them now using binoculars or a telescope.

Vladimir Bezugly first observed the new comet, called C/2025 R2 (SWAN) or SWAN25B, on Thursday, Sept. 11, NASA said "The comet was surprisingly bright but understandably difficult to see against the ...

The new comet, called C/2025 R2 (SWAN), was first observed in September A new comet discovered in mid-September may soon be be visible this fall Vladimir Bezugly first observed the new comet, called C ...