From road-tripping adventurers to luxury resort goers, more travelers are seeking the stars than ever before. Saudi Arabia is hoping to become the Middle East’s top astrotourism destination: it’s home ...

After a snowy and frigid Wednesday morning, viewers from across Colorado sent in photos of what appears to be colorful spots on either side of the sun. These are known as sun dogs.

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help solve the universe’s mysteries.

Euclid, the European Space Agency's dark Universe detective, has made an astonishing discovery -- right in our cosmic backyard.

To see the northern lights in Colorado, a KP index of 5 or higher is usually needed. The KP index measures geomagnetic ...

In this phenomenon, multiple planets align in the night sky, offering a spectacular visual experience. From Earth’s perspective, several planets appear close together, tracing a line across the sky ...

New research has shown that when an asteroid slammed into the Moon billions of years ago, it carved a pair of huge canyons on the far side that faces away from Earth. The incoming space rock is ...

Midlothian locals were left baffled after spotting a 'bright green phenomenon' soaring through the sky on Tuesday night. In footage captured from Gorebridge, the luminous light was spotted above homes ...

In São Thomé das Letras, Brazil, hundreds of spiders rained down during a mating ritual, leaving locals stunned by the surreal spectacle. A rare and unsettling event unfolded in the quiet town ...

Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

Later in the month, anyone with a clear, unobstructed view of the horizon may be able to see all five bright planets stretching across the sky. Two of these planets, Mercury and Saturn ...