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

Spica is the 15th brightest star in the sky and the brightest in the Virgo constellation. The star is also known as Alpha Virginis and is situated around 250 light-years from Earth. Spica is not a ...

Mars shines brightly this week as it reaches opposition, appearing golden-red in the sky near Jupiter. Look for it in the ...

Learn about Spica, Virgo's brightest and most mysterious star. It's a twin-star system that shines as a beacon in the night sky.

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

Both the moon and Jupiter will be in the Taurus constellation during the close approach, appearing as two bright points above ...

Whether you're an experienced astronomer or simply enjoy gazing at the night sky, this January offers a rare opportunity to witness a dazzling array of planets.

NASA captured this stunning image of Messier 75 or M75, also known as NGC 6864, which is a giant globular cluster of stars in the southern constellation Sagittarius.

Sirius is the brightest star in the constellation Canis Major, the Big Dog. It is often referred to as the “Dog Star.” You cannot miss Sirius. The famous three belt stars of the constellation ...