a huge cloud of gas and newly forming stars make up the vulpecula OB-1 association
jwst image of a star that will explode as a supernova
hubble space telescope images show aftermath of dart impact into an asteroid
venus and jupiter pass close to each other in the evening sky

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StarDate Radio: March 21 — Moon and Jupiter

The planet Jupiter is disappearing from the evening sky. And tomorrow, it’ll briefly disappear from the daytime sky — but...More »

Stargazing: March 20

Spring arrives in the northern hemisphere today. It’s the vernal equinox, which marks the moment the Sun crosses the equator...More »

StarDate Radio: March 20 — Vernal Equinox

If it’s been a nasty winter where you are, then you have our sympathy. On the bright side, though, it’s...More »

StarDate Radio: March 19 — Dead Stars

Vulpecula, the fox, doesn’t have a lot of impressive stars. But it sure has a lot of impressive dead ones....More »

Stargazing: March 19

Puppis, which represents the deck of the ship that carried Jason and the Argonauts, stands well to the left and...More »

Stargazing: March 18

Vulpecula, the fox, is a faint constellation. Unless you live away from city lights, you might not see any of...More »

StarDate Radio: March 18 — Vulpecula

Vulpecula, the fox, is a faint constellation. Unless you live away from city lights, you might not see any of...More »

Stargazing: March 17

Cancer, the crab, is well up in the east at nightfall and passes high overhead later on. Although it is...More »

StarDate Radio: March 17 — Declining Birth Rate

Our home galaxy, the Milky Way, is a vast collection of hundreds of billions of stars. And the population is...More »

Stargazing: March 16


M82, one of the most vigorous galaxies around, is in Ursa Major, the big bear. It stands to the upper...More »

StarDate Radio: March 16 — Solar Rain

Big storms bring big rains at this time of year. It rains on the Sun, too, mainly during its own...More »

Stargazing: March 15

Messier 3, an old, giant star cluster, ascends the eastern sky tonight, to the upper left of the bright yellow-orange...More »

StarDate Radio: March 15 — Messier 3

A star cluster with a lot of deceptively young-looking stars ascends the eastern sky tonight. It’s to the upper left...More »

Current Magazine

Cover of March-April 2023 StarDate magazine

Forecasting space weather, digging up lunar fossils

2023 Sky Almanac

This year marks the golden anniversary of StarDate magazine, so we’re celebrating by describing the progress and discoveries of the past 50 years of astronomy, along with some tidbits about our own history.

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