Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

A truly remarkable quirk of the natural world - this volcano lights up the night sky in an iridescent blue when its sulphuric ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

“When it’s brightest, Venus appears as an eerily eye-catching beacon,“ EarthSky wrote. ”Many mistake it for a UFO. It’s ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Valentine's Day arrives each year draped in romance, an unspoken promise lingering in the air like the scent of freshly bloomed red roses.It's a day when the world slows just enough to celebrate love ...

Lenticular Clouds Lenticular clouds, with their distinctive lens shape, often hover over mountain ranges like alien ...

Texas skywatchers will get a chance to witness the moon turn blood red. On the evening between March 13 and March 14, the ...

The limestone karst islands and idyllic bays off Thailand’s southwest coast are home to coral gardens, colourful schools of ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.