When the balance in reflectivity shifts, “the whole circulation of the climate will shift in order to transport energy from ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial ...

A rare green Hallowe’en 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 ...

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

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

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

The South Atlantic Anomaly (SAA) is a particularly weak region of Earth’s magnetic field that can cause satellites to ...

One advantage of Starship, which should be tested in the coming months, is the ability to be refueled in space. The vehicle ...