The new Space Force command focuses on terrestrial and orbital defenses over the United States proper, as well as Canada and ...

We connected with Florian Winkler to learn how he created such an elegant and informative map that invites exploration.

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

Add Yahoo as a preferred source to see more of our stories on Google. New satellite data reveal Earth’s Northern Hemisphere is absorbing more solar energy than the South, threatening to disrupt global ...

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Today marks the shortest ...

JACKSONVILLE, Fla. — Dec. 21 marks the darkest day of the year in the Northern Hemisphere and the start of astronomical winter, known as the winter solstice. The solstice occurs at 10:03 a.m. EST, ...

The first day of spring is closer than you might think.

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.