Sunset at equinoxes and solstices

Observing

March Podcast: A Barely-There Lunar Eclipse

As told in the latest episode of our long-running Sky Tour astronomy podcast, this month it’ll be challenging to a special kind of lunar eclipse on March 25th — but easy to spot five of the 10 brightest stars in the night sky.

Meteorite gems

Astronomy & Observing News

Did A Moon-Size Planet Grow Fast and Die Young in the Early Solar System?

A rare meteorite recovered from the Sahara Desert could be a fragment of a Moon-size body that met a violent end in the earliest days of the solar system.

Venus, Jupiter, and Mercury in twilight, June 12, 2026

Celestial News & Events

This Week's Sky at a Glance, June 12 – 21

The three planets in the western twilight are pulling away from each other now. On Wednesday, the Moon will occult Venus in daylight.

Astronomy Pictures: Sky & Telescope's Online Gallery

IC1287 - GC: NGC6649

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Astronomy Pictures: Sky & Telescope's Online Gallery

NGC4145 and NGC4151

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Astronomy Pictures: Sky & Telescope's Online Gallery

NGC5364 and NGC5363

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Astronomy Pictures: Sky & Telescope's Online Gallery

Dark Doodad Nebula and NGC 4372

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Molonglo Observatory

Astronomy & Observing News

Revival of Australia’s Molonglo Radio Telescope

Australia's Molonglo Observatory was saved from retirement; now, it holds the promise of future radio observations.

Astronomy Pictures: Sky & Telescope's Online Gallery

Venus and Jupiter conjunction

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Astronomy Pictures: Sky & Telescope's Online Gallery

The Elusive Mercury

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Nebula & Galaxy

NGC3344 in Leo Minor

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Astronomy Pictures: Sky & Telescope's Online Gallery

Crecent Nebula and Sadr

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Astronomy Pictures: Sky & Telescope's Online Gallery

Mercury photobombs Venus, Jupiter Conjunction

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Multiple-ringed crater on Jupiter's icy moon Callisto

Astronomy & Observing News

Meet Callisto, Jupiter's Ancient Moon

Meet Callisto, the heavily cratered moon that's the most distant of the Galilean satellites from Jupiter.

Astronomy Pictures: Sky & Telescope's Online Gallery

Jupiter, Venus, Mercury

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Astronomy Pictures: Sky & Telescope's Online Gallery

Comet 220P/McNaught in Moonlight

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Astronomy Pictures: Sky & Telescope's Online Gallery

Comet 220P/McNaught fading

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Astronomy Pictures: Sky & Telescope's Online Gallery

Venus, Jupiter and Jupiter's Moons

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Photo of Alan Hale in a blue and white striped shirt with brown hair in front of a large white telescope

Astronomy & Observing News

Alan Hale (1958-2026)

Astronomer and comet-hunter Alan Hale passed away on Saturday, June 6th, at 68 years old in his home in Cloudcroft, New Mexico.

Astronomy Pictures: Sky & Telescope's Online Gallery

Solar Activity

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Astronomy Pictures: Sky & Telescope's Online Gallery

One to 30 Milion Shot

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