Constellations

Latest about Constellations

Orion and Canis Major shine in the night sky. There are four celestial dogs hidden in the constellations of the spring night sky.

The mighty dog constellations of the spring night sky

By Joe Rao published

Four dog constellations are now visible in the night sky, if you know where to look

Constellations
Illustration of Hyades star cluster in night sky

Spot the Hyades star cluster near Taurus constellation tonight. Here's where to look.

By Samantha Mathewson published

Look up tonight (March 15) to see the Hyades star cluster light up the Taurus constellation in the night sky.

Constellations
Orion the Hunter illustrated against a photograph of the sky at twilight

Tour Orion the Hunter as we visit a constellation icon

By Joe Rao published

A look at the constellation of Orion: its history, shape and position

Constellations
This NASA graphic offers an introduction to the constellations visible in the Northern Hemisphere.

Constellations of the western zodiac

By Vicky Stein last updated

Reference The constellations of the western zodiac are now used to orient skywatchers, navigate without technology and inspire interest in the night sky.

Reference
A SpaceX Falcon 9 rocket carrying 50 Starlink internet satellites launches from California's Vandenberg Space Force Base on Feb. 25, 2022.

SpaceX promises sustainability and safety for Starlink constellation

By Elizabeth Howell published

Amid concern from NASA, SpaceX says it has "significant resources" to exceed best practices with Starlink.

Constellations
Venus and Jupiter over Lake Superior

What is a 'morning star,' and what is an 'evening star'?

By Joe Rao published

Constellations
This beautiful satellite image shows the Andromeda galaxy, the Milky Way's closest neighbor at about 2.5 million light-years away, glowing in ultraviolet light.

Book reviews for three guides to the stars and constellations

By Joe Rao published

In this column, I'll provide reviews of three books that I consulted during my formative years in the hobby.

Constellations
An illustration of Arcturus

Arcturus: Facts about the bright red giant star

By Elizabeth Howell, Scott Dutfield published

Reference Arcturus is a red giant that is one of the brightest stars in Earth's night sky.

Reference
Starlink Satellites pass overhead near Carson National Forest, New Mexico, photographed soon after launch.

International Astronomical Union launches new center to fight satellite megaconstellation threat

By Tereza Pultarova published

The International Astronomical Union (IAU) has launched a new center to fight the threat of satellite megaconstellations, which it now describes as worse than urban light pollution.

Constellations
The South African array of the Square Kilometer Array Observatory will consists of nearly 200 dish antennas carefully arranged over a remote desert region.

Megaconstellations like SpaceX's Starlink may interfere with search for life by world's largest radio telescope

By Tereza Pultarova published

The search for traces of life on distant planets will be more difficult for the world's largest radio telescope because of interference from megaconstellation satellites.

Constellations
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