Astronomers measure a star’s brightness using the apparent magnitude system, where lower values indicate brighter stars.

From the total lunar eclipse in March to three epic supermoons this fall, these are the best celestial events of 2025 that are worth traveling for (plus one to look forward to in 2026!).

B L Razdan The Hindu calendar is dotted with many festivals based on the Lunar calendar. However, Makar Sankranti, being ...

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

The New Year starts with a bang as Quandrantids peaks on Jan. 2 and 3. This is one of the largest meteor showers of the year, ...

Winter constellations are in full swing for Northern Hemisphere observers in January ... As it is the austral summer the sky takes until about 9 p.m. to get fully dark (in Buenos Aires civil ...

Its radiant is the Norma constellation, which is in the Southern Hemisphere. However ... It's also equally visible in the Southern and Northern Hemispheres. The radiant for this one is Capricornus ...

The Quadrantids are best viewed from the Northern Hemisphere and are forecast to ... peaks in mid-August from the constellation Perseus. The Geminids, which occur every December, radiate from ...

Zubeneschamali means ‘northern claw.’ Based on the temperature of their surfaces, stars release a spectrum of light that ...

Adhara, also known as Epsilon Canis Majoris, is a striking star in the constellation ... the Northern Hemisphere. In the Southern Hemisphere, it is visible high in the sky during the summer.