If you were among the countless numbers of people who spent time last week looking for Perseid meteors, you doubt took notice of a striking stellar arrangement in the northeastern part of the sky ...

Yuji Nakamura. On the left, you can spot the new object in the Cassiopeia constellation (there’s a line added next to it to indicate the location).

More northern constellation Cassiopeia, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago. Hubble Space Telescope (HST), Spitzer Space ...

It’s the brightest winter constellation, and you can already spot it climbing up the southeastern sky by 8 or 9 p.m. The three-star line of Orion’s Belt in its middle is now almost vertical.

The Cassiopeia constellation is surrounded by celestial treasures. ... If you extend an imaginary line roughly 1.5 times the distance from the star Gamma to Delta Cass ...

The Cassiopeia constellation is surrounded by celestial treasures. ... If you extend an imaginary line roughly 1.5 times the distance from the star Gamma to Delta Cass ...