Comets Lemmon and SWAN reach their brightest this week

Comets Lemmon and SWAN reach their brightest this week

Sky-watchers have a rare opportunity early this week to witness two comets simultaneously visible. After a year during which no comets were bright enough for observation without specialized equipment, Comet C/2025 A6 (Lemmon) and Comet C/2025 R2 (SWAN) have now made...

What are the mysterious lights sometimes seen on the moon?

What are the mysterious lights sometimes seen on the moon?

On the evening of April 19, 1787, acclaimed astronomer William Herschel documented an extraordinary celestial event: an intense, hours-long light, described as being as bright as the Orion Nebula, emanating from the unilluminated new moon. Modern scientific consensus...