Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky.

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

The rare clouds in Darlington (Image: YVONNE ALDERSON) They are the highest clouds in the Earth's atmosphere and are ...

JACKSONVILLE, Fla. — Early risers across Northeast Florida were treated to an interesting sight Wednesday morning: wispy, glowing clouds in the eastern sky just before sunrise. These are known as ...

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

Southern astronomers get to see the Milky Way’s core overhead and enjoy many star clusters and nebulae that are hidden for us ...

There’s something truly enchanting about catching sight of iridescent clouds, shimmering like a spilled box of pearls against ...

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

Washington is among more than a dozen states that might be able to see the northern lights on June 25 and June 26.