The night sky might be about to gain a brand-new star thanks to a distant sun exploding violently. This far-distant stellar system is situated around 3,000 light years away from Earth and is ...

"Having a red sun in the sky during a smoke event makes perfect sense." When light encounters the larger smoke particles, it scatters all wavelengths equally, leading to a white or grey appearance ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

This is called Rayleigh scattering, and results in a white Sun and blue skies on clear days. At sunset we can see this effect dialled up, because sunlight has to pass through more air to reach us.

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

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 ...

When the sun is lower in the sky, the white light has to pass through more of the atmosphere, which scatters even more of the blue colors. That leaves more of the red light passing through to ...

The standstill is an occurence that stems from the moon’s orbit being tilted in relation to both Earth’s equator and the sun’s path across our sky. That tilt slowly shifts over an 18.6-year ...