Hubble Space Telescope view of a gravitational lens
View of ice field on Pluto from New Horizons
Cassini infrared view of Titan
Infrared view of the Orion Nebula
Jupiter above Europa

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 »

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 »

StarDate Radio: July 22 — Scorpius X-1

Most of us are familiar with X-rays because doctors and dentists use them to diagnose problems with our bodies...More »

Stargazing: July 22

One of the largest stars in the galaxy is Mu Cephei, in Cepheus. It is visible in the northeast in...More »

StarDate Radio: July 21 — Scorpius

A beautiful and well-known constellation skitters low across the south on summer nights. It forms a distinctive hook shape,...More »

Stargazing: July 21

The beautiful constellation Scorpius skitters low across the south on summer nights. It forms a distinctive hook shape, and its...More »

StarDate Radio: July 20 — One Year Later, III

Even as New Horizons flew past Pluto a year ago this month, mission planners were already thinking about a...More »

Stargazing: July 20

Hercules stands directly overhead this evening. Four moderately bright stars form a lopsided square that represents his body, while his...More »

StarDate Radio: July 19 — One Year Later, II

At least four billion years ago, Pluto got smacked. Another icy body slammed into the little world, blasting a...More »

Stargazing: July 19

The Moon is full at 5:57 p.m. CDT as it lines up opposite the Sun in Earth’s sky. It rises...More »

StarDate Radio: July 18 — One Year Later

Pluto’s atmosphere is vanishing from sight. Much of it is freezing, adding new ices to Pluto’s surface. Over periods...More »

Stargazing: July 18

Sagitta, the arrow, slices through the Milky Way. It is one of the smallest of the 88 constellations. As darkness...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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