Ursa Major

Gaze Into the Heart of a Grand Spiral Galaxy

Here’s Hubble doing what Hubble does best. Some of the Hubble Space Telescope’s most famous and stunning images are of…

6 months ago

The Constellation Boötes

In the northern skies, flanked by the Big Dipper, lies the Bootes constellation, one of the traditional constellations listed by…

6 years ago

How Big Is The Big Dipper?

The Big Dipper is big. Come on, it's right there in the name. But how big is the Big Dipper…

8 years ago

Something In Big Dipper ‘Blob’ Is Sending Out Cosmic Rays, Study Says

Behind the Big Dipper is something pumping out a lot of extremely high-energy cosmic rays, a new study says. And…

8 years ago

Hubble Spies Tiny, Ancient ‘Ghost Galaxies’

They're out there; tiny, extremely faint and incredibly ancient dwarf galaxies with so few stars that scientists call them 'ghost…

10 years ago

Astronomy Cast Ep. 227: The Big Dipper

We wanted to spend a few shows talking about some of the most recognizable constellations in the night sky. We’ve…

11 years ago