Astronomers have spotted another never-before-seen "nova" blaze to life in the night sky. This may be the first time that ...

Astronomers describe Mercury as an "inferior planet", because its orbital path around the sun is much closer than that of ...

The blue supergiant called Rigel, around 870 light-years from the sun, is one of the brightest stars in the sky. (Image credit: NASA/STScI Digitized Sky Survey/Noel Carboni) ...

Summer arrives for northern observers as the Moon visits Venus, Uranus, and Mercury. Plus: globular cluster M15, double star ...

Having a good phone app is a lot of fun and quite helpful in verifying stars, asterisms, and constellations. Most apps will ...

A new photo shows Mars shining like a red star in the night sky, alongside the blue-tinged "Heart of the Lion" star, Regulus.

Mars and Regulus will light up the night sky in a rare celestial display from the Red planet and icy blue star ...

There will be three full moons during the summer. And the sky this season has a number of bright stars that form easily ...

Saturday celebrated wind, clouds, blue sky and brilliant sunset. In D.C. the day demonstrated autumn’s scenic assets in the air and on the ground. November 23, 2024. 2 min. By Martin Weil.

Known as the “dog star” for its place amid the constellation Canis Major, Sirius is the brightest star in the night sky. The vivid star is one of the nearest to Earth, at just 8.6 light-years ...

A special planetary alignment is occurring in late February.; Five planets are visible to the naked eye, with two more faintly showing. Here's how, where, and when to see the planets line up.

It seems pretty obvious that you can’t see any stars in the daytime. If you were to say that to me, however, I would gently take you by the hand, lead you outside and—being an unrepentant ...