Twice a year the sun's golden orb shines straight down Manhattan’s east-west streets in New York City, shooting rays from the Hudson to the East rivers, framed by skyscrapers much ...

It will be an astronomical spectacle for the ages. On June 5 and 6, Venus will undergo a solar transit—for the last time in our lives...

Mars, known as the war planet in some parts, will offer a fitting tribute in the skies this Memorial Day...

In a surprise twist, traditional Navajo people watched the annular solar eclipse and some young people did not, experts said after the May 20 celestial ring of fire event ...

Eclipse glasses flew off shelves, people flocked to eclipse viewing parties, and others watched online...

Eclipse viewing is considered taboo in many indigenous cultures, most notably among the Navajo in the U.S., since the path of the May 20 annular eclipse falls directly across the t...

While millions around the world will flock to view the annular solar eclipse on Sunday at sunset, many who are smack in the middle of its shadowy path will avert their eyes...

Summer is fading into fall, and nights are lengthening as Mother Earth’s axis tilts back toward the winter solstice...

Canada is one of the world’s most gluttonous consumers of climate-changing fossil fuels, the World Wildlife Foundation (WWF) said on Tuesday, with an ecological footprint per avera...

On May 20 a great celestial event will take place: The moon will obscure the sun—almost...