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▶StarDate Radio: November 29 — Stormy X-Rays
Muons are handy things. The particles act as cosmic X-ray machines. They’ve allowed scientists to peer into volcanoes, pyramids, and...More »
★Stargazing: November 29
A “little goat” scampers high across the sky on autumn nights. Capella represents the shoulder of Auriga the charioteer, although...More »
★Stargazing: November 28
The fat crescent Moon is in the south and southwest this evening. The giant planet Saturn stands above the Moon...More »
▶StarDate Radio: November 28 — Moon and Saturn
The Moon is drifting away from us — at about an inch and a half per year. That’s not much,...More »
★Stargazing: November 27
Look for Mars all night long. The planet is low in the east-northeast as night falls and looks like a...More »
▶StarDate Radio: November 27 — Martian Air
The Martian atmosphere is nothing to sniff at — or to sniff at all. It’s less than one percent as...More »
★Stargazing: November 26
Mars is a stunner now. It outshines everything that’s currently in the night sky except the Moon and the planet...More »
▶StarDate Radio: November 26 — Martian Lake
The landing site of the Perseverance Mars rover could have been quite comfortable about three-and-a-half billion years ago. The rover...More »
▶StarDate Radio: November 25 — The Sounds of Mars
On Mars, visitors from Earth are like loud neighbors who refuse to settle down. On Mars, though, the noise doesn’t...More »
★Stargazing: November 25
For stargazers, no time is as beautiful as late fall and early winter, when the evening sky abounds with bright...More »
▶StarDate Radio: November 24 — Thanksgiving Sky
The night sky brings Thanksgiving to a beautiful end, highlighted by a couple of bright trios. One is in good...More »
★Stargazing: November 24
As night falls, Jupiter, Saturn, and Fomalhaut form a bright triangle. Brilliant Jupiter is half way up in the southeast....More »
Current Magazine
Punch and Counterpunch: How asteroids threaten Earth and what we can do to fight back.
2022 Sky Almanac
This year offers up some beautiful skywatching treats, including two good lunar eclipses and several planetary conjunctions. You can find all the details on these and many other events in our 2022 Sky Almanac. Plan your skywatching adventures with tips on eclipses, meteor showers, and more, plus keep an eye on the bright planets.
