Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

The stars are surrounded by diffraction spikes, which are the starburst-like radiating lines that appear around bright ...

A newly discovered comet, C/2025 F2 (SWAN), is now visible in the eastern sky before dawn. Officially designated on April 8, ...

Minor Planet Center officially designated comet SWAN25F as C/2025 F2 (SWAN) on April 8. SWAN is an instrument particularly designed to study the Sun ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...