Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

The annual celebration of our Independence Day will dazzle the skies but will come with more sizzling heat with air quality ...

Have you ever looked up at the sky and wondered why it’s blue during the day, but glows orange or red during a sunset? It’s one of those everyday wonders we often take for granted. The answer ...

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

The fluctuating layer of smoke in our atmosphere meant that the expected blue skies in the evening and morning have taken on more of a dirty orange or milky white hue. The sun has also appeared as a ...

March opens with Venus and Mercury visible in the evening sky, along with a delicate crescent Moon. ... Take in some color along the way, from blue-white Regulus to orange R Leonis, ...

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

Scientists mix sky's splendid hues to reset circadian clocks In a small study, a novel LED device with alternating orange and blue wavelengths outpaced two other lights in advancing participants ...

The full blue supermoon will become 100% full at 19:25 BST on Monday evening but many us of may not actually get to see it. Moon rises at around 20:50 BST in the roughly east sky and will then set ...