Sirius is the brightest star in the night sky, located 8.6 light-years away in the constellation Canis Major. What looks like one star is actually two: Sirius A, a large, luminous star about twice the ...

The New Year of 2026 began at the stroke of midnight today, and four minutes later the brightest star in the sky, Sirius in Constellation Canis Major — the greater hunting she-dog of Orion —transited ...