Galileo view of Europa
1910 promotional illustration for comet pills
Artist's concept of possible Earth-like worlds in other star systems
image of the black hole in the galaxy m87
composite image of a "cannonball" pulsar

StarDate Radio: April 25 — Bovedy Meteorite

On a spring evening in 1969, Eileen Brown was recording birds in her neighborhood in Bangor, Northern Ireland, not far...More »

Stargazing: April 24

Saturn is in great view late tonight. The solar system’s second-largest planet looks like a fairly bright star close to...More »

StarDate Radio: April 24 — Moon and Saturn

Just days before its demise, the Cassini spacecraft recorded an odd chorus: radio waves produced by particles from the moon...More »

Stargazing: April 23

The giants of the solar system will flank the gibbous Moon at dawn tomorrow. Jupiter, the king of the planets,...More »

StarDate Radio: April 23 — Moon and Planets

The giants of the solar system will flank the gibbous Moon at dawn tomorrow. Jupiter — the king of the...More »

Stargazing: April 22

Look for the planet Jupiter quite close to the Moon late tonight. Jupiter will rise just below the Moon, after...More »

StarDate Radio: April 22 — Moon and Jupiter

Anyone who likes to do a little ice fishing might consider Europa, one of the bigger moons of Jupiter. It...More »

Stargazing: April 21

Antares, the leading light of Scorpius, will perch close below the Moon at first light tomorrow. The brilliant planet Jupiter...More »

StarDate Radio: April 21 — Moon and Antares

The Sun is really big — more than a hundred times the diameter of Earth. Yet it’s a mere dot...More »

Stargazing: April 20

The Lyrid meteor shower is building up this weekend. It should hit its peak in the wee hours of Monday...More »

StarDate Radio: April 20 — Lyrid Meteors

A thin but reliable meteor shower is building up this weekend. It should hit its peak in the wee...More »

Stargazing: April 19

The Moon is full today. It stands opposite the Sun in our sky, so sunlight illuminates the entire lunar disk....More »

StarDate Radio: April 19 — Apocalyptic Rumors

Every year or two, we see a scenario play out like this: A web site, book, or other source...More »

Current Magazine

cover of May-June 2019 issue

Our May/June issue brings you excerpts from new books in astronomy and space science to spice up your summer reading. We'll also bring you summer skywatching notes and charts, Merlin's answers, and more.

2019 Sky Almanac

Sky Almanac cover

Plan for this year's stargazing adventures with our 2019 Sky Almanac, which offers skywatching tips, charts, Moon phases, and much more. And for the rest of the year, we've reduced the price! Order online or call 1-800-STARDATE during regular business hours.

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