Moon-Aldebaran occultation
Map of the Milky Way's spiral arms
Hubble Space Telescope view of a gravitational lens
View of ice field on Pluto from New Horizons
Cassini infrared view of Titan

StarDate Radio: July 29 — Milky Way

The glowing band of the Milky Way arches high across the sky on these mid-summer nights. At nightfall, it...More »

StarDate Radio: July 28 — Vanishing Act

The crescent Moon cozies up to the star Aldebaran before dawn tomorrow. In fact, for those in parts of...More »

Stargazing: July 28

The crescent Moon cozies up to the star Aldebaran before dawn tomorrow. In fact, as seen from parts of the...More »

StarDate Radio: July 27 — Future North Star

There’s one star in the night sky that you should never need help to find. In fact, it can...More »

Stargazing: July 27

Polaris, the North Star, always stands due north and is always at the same altitude in the sky. That altitude...More »

StarDate Radio: July 26 — Double Orange

Billions of years from now, our Sun will puff up to become an orange giant, shining hundreds or thousands...More »

Stargazing: July 26

The Delta Aquarid meteor shower is at its best this week. Its “shooting stars” appear to rain into Earth’s atmosphere...More »

StarDate Radio: July 25 — Scutum Arm

Our home galaxy is a spiral. We can’t see it from the outside, though, so we don’t know how...More »

Stargazing: July 25

The constellation Scutum stands to the upper left of teapot-shaped Sagittarius as night falls. Under dark skies, you can see...More »

StarDate Radio: July 24 — Scorpius Clusters

Two big, beautiful stellar families narrowly avoid the sting of the scorpion. They stand just above the stars that...More »

Stargazing: July 24

The big, beautiful star clusters M6 and M7 stand just above the stars that mark the scorpion’s stinger. M7 is...More »

StarDate Radio: July 23 — The Stinger

The celestial scorpion has a potent stinger. The two stars at the end of its tail — the stars...More »

Stargazing: July 23

The celestial scorpion has a potent stinger. The two stars at the end of its tail, which mark the stinger,...More »

Current Magazine

cover of July-August issue

In this issue, we'll explain the latest twist on the search for extraterrestrial life. And we'll bring you up to date on New Horizons, laying out discoveries made so far by the historic flyby of Pluto and its cadre of moons.

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