The crescent moon at roughly 10:30 p.m. on July 27, 2020.

Astronomy

Thumbnail for The Great Conjunction

We had just commenced our Spanish Conversation videoconference on Zoom when my friend Matt told me...

Thumbnail for In Search of Comet NEOWISE

For this once-in-a-lifetime cosmic event, you can't say I didn't have plenty of warning. My friend E...

Thumbnail for Transit of Venus

"Isn't this exciting?" I asked little Luke---the 4-year-old that Kelly was babysitting and brought along to...