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.

The Earth is reflecting less light than it used to, especially the Northern Hemisphere. While climate change is to blame, the ...

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 ...

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

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

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

Early snowpack and plunging temperatures in Siberia could be setting the stage for a colder, snowier winter in Minnesota.