If Mars colonists want to look for adventure, they’ll probably visit Tharsis Ridge. It’s a vast plateau of volcanic rock...More »
▶StarDate Radio: May 22 — Martian Autumn
The shortest season on Mars arrives today — autumn in the northern hemisphere, and spring in the south. The season...More »
★Stargazing: May 22
Mars is climbing into better view by the day. Right now, the planet stands about a third of the way...More »
▶StarDate Radio: May 21 — Moon and Regulus
The first-quarter Moon snuggles especially close to a bright companion tonight. Regulus, the heart of Leo, the lion, will stand...More »
★Stargazing: May 21
The first-quarter Moon snuggles especially close to a bright companion tonight. Regulus, the heart of Leo, the lion, will stand...More »
★Stargazing: May 20
A pair of eyes stares down from the northeast as night falls right now — the brightest stars of Draco,...More »
▶StarDate Radio: May 20 — Dragon’s Eyes
A pair of eyes stares down from the northeast as night falls right now — the eyes of Draco, the...More »
▶StarDate Radio: May 19 — VW Cephei
Many stars are binaries — two separate stars in orbit around each other. In some cases, though, the two stars...More »
★Stargazing: May 19
A pair of stuck-together stars is visible through binoculars in Cepheus, the king, which is low in the north at...More »
★Stargazing: May 18
Vega, in Lyra, the harp, is climbing into the evening sky. It is low in the northeast as the sky...More »
▶StarDate Radio: May 18 — Dark Storms
Seen from above, storms here on Earth are bright white. On the Sun, though, the storms look dark.
Sunspots are...More »
▶StarDate Radio: May 17 — Moon and Venus
It’s been a quarter-century since the end of the last American mission to the planet Venus. And there probably won’t...More »
★Stargazing: May 17
The planet Venus is in the west shortly after sunset this evening, close to the right of the crescent Moon....More »
Current Magazine
Our Summer Reading Issue is up next. We'll bring you excerpts from new books in astronomy and space science. Additionally, we'll have summer skywatching tips and charts, plus the latest astronomy news.
2018 Sky Almanac
Plan all of your stargazing adventures with our 2018 Sky Almanac, which offers skywatching tips, charts, Moon phases, and much more. Order online or call 1-800-STARDATE during regular business hours.
