A rare green Halloween comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which ...

New Zealand lock Patrick Tuipulotu has been ruled out of the Northern Hemisphere tour with the shoulder injury that plagued ...

Residents of several northern U.S. states could have the opportunity to see the dazzling northern lights tonight. Here's what ...

Scientists say Earth’s northern half is darkening faster than the south, reflecting less sunlight back into space and soaking ...

Cidara’s lead candidate, CD388, is a long-acting antiviral prophylactic designed for universal prevention of seasonal and ...

On the day of the 2025 autumnal equinox, the sun rises almost exactly due east and sets to the west. The months that follow ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

Here’s what you’ll learn when you read this story: The radiation budget between the northern and southern hemisphere is ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

Have the southern hemisphere unions stolen another march on their northern counterparts by nailing down a new five-year ...

When songbirds migrate through the Americas, they often cut through sections of the North Atlantic and Gulf of Mexico to save ...