Usually I don’t write much about deep, “holy grail” objects, but for the Boötes Void, I’ll make an exception. Specifically, I’m wondering what’s the smallest telescope needed to see the galaxies in ...

If our galaxy was in the middle of the Boötes void, we wouldn’t have known there were other galaxies until the 1960s.

When looking up at the sky at night, it’s easy to get the impression that the stars go on forever in fairly uniform fashion. We know, of course, that this isn’t the case. Stars coalesce into galaxies, ...

In the northern night sky, you can sometimes find a foreleg-shaped cluster of stars known as the Boötes (Greek word for "herdsman") constellation. In its vicinity, there is an enormous dark space that ...

Stare into the night sky and you can’t help being amazed by the sheer scale of the universe. Look for Sirius, the brightest star in the sky. That’s 8.6 light years away. Polaris, the North Star, sits ...

June’s night skies provide excellent opportunities to discover a slice of the evening sky that is largely unsung, unheralded and usually ignored. Daniel Zantzinger / Skywatcher’s Guide When, for ...

Most of us would consider Bootes the Bear Guard a spring constellation. That's when it first appears in the eastern sky, following the tail of Ursa Major the Great Bear as the snow drifts recede. Come ...

Boötes is the 13th largest constellation in the night sky and contains one of the brightest stars in the sky, Arcturus. Boötes is an ancient Greek word that roughly translates as the ox-driver, or ...