Sirius is highly visible in the Northern Hemisphere's winter night sky, because the star has a high luminosity, or intrinsic brightness, relative to other stars, and because it's relatively close ...

You may have heard the phrase "the dog days of summer," but do you know the science behind the saying? Hint: it's got nothing ...

This small dwarf star is at its best viewing position in its obit around the primary star Sirius A in, in 2023. The trick in seeing Sirius B is trying to block out the light of the bright star.

The brightest star in the night sky is the Sirius star. According to NASA, it is over 20 times brighter than our sun and twice as massive, though it might not appear that way to the naked eye.

To an untrained eye, the night sky appears very much a mystery. The multitude of stars that join our planets in populating an evening sky are fairly anonymous. The brightest star, and the nearest ...

Instead, the dog days refer to Sirius, the brightest star in the constellation Canis Major, which means “big dog” in Latin and is said to represent one of Orion’s hunting dogs.

The Sirius star is also called the Dog star. The Dog star is a part of the Canis Majoris, or "Big Dog" constellation. Experts say the best sightings during winter, for those in Northern latitudes.

Though Sirius is currently twice as brilliant as the next brightest star, Canopus, it wasn’t always this way. The Dog Star is a fairly run-of-the-mill specimen, and only appears so prominent in ...