sombrero galaxy
new images of sunspots
Infrared view of the Coronet star cluster, a stellar nursery
skylab, the first american space station, is launched aboard a saturn v moon rocket on may 14, 1973

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StarDate Radio: May 31 — Sombrero Galaxy

The Sombrero Galaxy has taught us a lot. It provided important details about the birth, scale, and evolution of the...More »

Stargazing: May 30

The Moon stands near the middle of the largest member of the zodiac tonight, the constellation Virgo. Spica, its brightest...More »

StarDate Radio: May 30 — Moon and Spica

The Moon stands near the middle of the largest member of the zodiac tonight, the constellation Virgo. Spica, the maiden’s...More »

Stargazing: May 29

Mars is a third of the way up the western sky at sunset and looks like a fairly bright orange...More »

StarDate Radio: May 29 — Moving Mars

Mars is moving at a leisurely pace — slower than at any other time during its almost two-year orbit around...More »

Stargazing: May 28

The Great Pyramid of Khufu, the largest of the pyramids of Giza, was aligned with the help of Thuban, the...More »

StarDate Radio: May 28 — Cosmic Pyramid

Archaeologists recently released pictures of a hidden chamber inside the pyramid of Khufu, the largest of the Great Pyramids of...More »

StarDate Radio: May 27 — Alphecca

Our solar system is heading into the aftermath of a stellar breakup — a ribbon of stars that split away...More »

Stargazing: May 27

Alphecca, the brightest star of Corona Borealis, the northern crown, is in a pretty semicircle of stars that’s high in...More »

Stargazing: May 26

Regulus, the bright star that marks the heart of the lion stands quite close to the lower left of the...More »

StarDate Radio: May 26 — Moon and Regulus

The bright heart of the lion beats near the Moon this evening. Regulus, the star that marks the heart of...More »

StarDate Radio: May 25 — Skylab 2

LAUNCH CONTROL: T-minus 30 seconds, and the countdown continuing to go smoothly. ...

Skylab — the first American space station...More »

Stargazing: May 25

Some of the bright lights of winter are dropping from the evening sky. Look for Procyon in Canis Minor, the...More »

Current Magazine

Cover of May/June 2023 StarDate magazine

Going deep into the dark universe, digging gardens on the Moon and Mars

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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