But this astonishing picture shows the world as it is today - with half the Northern Hemisphere covered with ... the grip of a severe winter storm. The map was created using multiple satellites ...

The winter solstice – which marks the beginning of astronomical winter in the Northern Hemisphere – is Tuesday. The solstice occurs at the same instant everywhere on Earth. The Earth's tilted ...

An unusually strong solar storm hitting Earth produced stunning displays of color in the skies across Western Pennsylvania and the Northern Hemisphere early Saturday, with no immediate reports of ...

Winter in the Northern Hemisphere will officially arrive tonight ... At that moment, if you were located in Western Australia at a point near Lake MacKay, the sun will be shining directly overhead ...

The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere. As the Earth travels around the sun, it does so at an angle. For most of the year ...

A NASA map shows the regions across the Northern Hemisphere where tomorrow's partial solar eclipse will be visible, how much of the sun will be blocked out, and what time the eclipse will hit its ...