Wow! signal
Otto Struve, 1917
merging spiral galaxies
South Korean spacecraft heads for the Moon.

Get the ultimate StarDate fan experience. More »

StarDate Radio: August 15 — Wow!

Astronomers have been looking for signals from other civilizations for more than 60 years. They haven’t found any — at...More »

Stargazing: August 14

The planet Jupiter stays close to the Moon tonight. They climb into good view by about 11 p.m. and arc...More »

StarDate Radio: August 14 — Moon and Jupiter

Brilliant Jupiter — a planet that’s like the hub of a mini solar system — stays close to the Moon...More »

Stargazing: August 13

The Moon swims through the celestial “sea” tonight, which is a group of constellations related to water. As darkness falls,...More »

StarDate Radio: August 13 — More Otto Struve

Few observatory directors have had as colorful a life as Otto Struve. By the time he was 24 years old,...More »

StarDate Radio: August 12 — Otto Struve

Otto Struve knew an opportunity when he saw one.

The University of Chicago astronomer knew that his institution needed a...More »

Stargazing: August 12

The Perseid meteor shower should reach its peak tonight. But an almost-full Moon will overpower all but the brightest meteors....More »

Stargazing: August 11

Saturn is close to the upper left of the Moon as they rise, shortly after nightfall. The Sun’s second-largest planet...More »

StarDate Radio: August 11 — Perseid Meteors

This is a bad time for a full Moon that’s especially big and bright. That’s because a meteor shower will...More »

StarDate Radio: August 10 — Skipping Away

The Perseid meteor shower is building toward its peak. Tonight, you might see a few of its streaks of light,...More »

Stargazing: August 10

The Perseid meteor shower is building toward its peak. Tonight, you might see a few of its streaks of light,...More »

StarDate Radio: August 9 — Saturn at Opposition

Every 12 and a half months, Earth moves past the giant planet Saturn. And that’s about the best time all...More »

Stargazing: August 9

Saturn will line up opposite the Sun in a few days, so the giant planet rises around sunset, is in...More »

Current Magazine

Cover, July-August 2022 StarDate magazine

This issue describes how astronomers are looking for the first stars in the universe and follows 25 years of roving on Mars.

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.

Order online

Featured Video