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.

Upper Scorpius with M4 and bright double stars labeled

Celestial News & Events

This Week's Sky at a Glance, July 10 – 19

The bright, distinctive pattern of Upper Scorpius is on its best display in the south right after nightfall. Telescopic treasures await. In the west, Regulus now departs from Venus.

Kamoʻoalewa

Astronomy & Observing News

Tianwen 2 Arrives at Quasi-Moon Kamoʻoalewa, Returns Images

China’s Tianwen 2 mission returns its close view of Earth's tiny "quasi-moon" Kamoʻoalewa.

Planetary NGC 6842

Astronomy & Observing News

Steamy Nights at the Galactic Equator

Here's an observing guide to both familiar and lesser-known deep-sky objects that inhabit our galaxy's equatorial zone.

Comet McNaught

Astronomy & Observing News

Did a Passing Star Shower Us with Comets?

We might be living through a comet shower created by a star that millions of years ago jostled the Oort Cloud surrounding the solar system.

Torifune

Astronomy & Observing News

Hayabusa 2 Completes Flyby Past Asteroid Torifune

Japan’s Hayabusa 2 mission has revealed another "snowman" asteroid — a pair of asteroids attached with a narrow neck. The contact binary could help shed light on planet formation.

Astronomy Blogs

Making Peace with Terrible Astrophotography

We all might aspire to such a captivating image, but there's a real learning curve to astrophotography.

Photo showing the constellation Cygnus the Swan, along with the Summer Triangle stars and the Milky Way galactic plane

Meet the Constellations

Meet the Cygnus, the High-Flying Swan

Meet Cygnus, the Swan, a high-flying constellation that looks like its namesake and has a rich mythological history.

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