Among the 88 official constellations, Cassiopeia ranks as the 25th largest and 30th brightest. It contains four stars (Alpha [α], Beta [β], Gamma [γ], and Delta [δ] Cassiopeiae) that are among ...

The Greeks added a nearby additional fainter star to the five main stars, so that the six together outline Cassiopeia's Throne. At this time of the year, as Cassiopeia ascends the late evening sky ...

Ever gazed up at the beautiful night sky and wondered how to make the magical moment even more enchanting? Our ultimate ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern latitudes).

We’ll also get a chance to see a handful of comets, like C/2022 E2 (ATLAS) in the constellation Cassiopeia and Comet 29P/Schwassmann-Wachmann, which orbits between Jupiter and Neptune. Here’s when you ...

We’ll also get a chance to see a handful of comets, like C/2022 E2 (ATLAS) in the constellation Cassiopeia and Comet 29P/Schwassmann-Wachmann, which orbits between Jupiter and Neptune.

In celebration of the 29th anniversary of the launch of NASA's Hubble Space Telescope, astronomers used Hubble to capture this festive, colorful look at the tentacled Southern Crab Nebula. Object NGC ...

The Heart Nebula, officially called IC 1805, is a cloud of gas and dust located about 7,500 light-years away in the ...

The NIRCam image displayed the inner shell of Cas A in hues, representing gas knots rich in elements like sulfur, oxygen, argon, and neon Contributions to new stars and planetary systems Debris ...

Make sure you look for Venus early in the evening because it slips below the horizon shortly after 8 p.m. Perennially, there are the constellations Cassiopeia and Cepheus, who, according to Greek ...

Make sure you look for Venus early in the evening because it slips below the horizon shortly after 8 p.m. Perennially, there are the constellations Cassiopeia and Cepheus, who, according to Greek ...