At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere sky ...

The shortest day of the year in the Northern Hemisphere and the longest day in the Southern Hemisphere has been marked around ...

The best time to view the Milky Way in the Northern Hemisphere is from March to September. The Milky Way, our home galaxy ...

The December Solstice marks the beginning of winter in the northern hemisphere as the Sun takes its shortest trip across the ...

Dec. 21 marks the darkest day of the year in the Northern Hemisphere and the start of astronomical winter, known as the ...

The Ursid meteor shower peaks Sunday night into early Monday morning, and is the last major event on the celestial calendar ...

The 2025 winter solstice will take place at 10:03 a.m. Eastern time Sunday, Dec. 21. The winter solstice is almost here to ...

The winter solstice arrived at 7:03 a.m. PST on Dec. 21, making Sunday the shortest day of the year in the Northern ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season instead brought mass death and carnage from Earth's catastrophic impact with a ...

Earth is taking in more energy than it releases back to space—a growing "energy imbalance" that is fueling global warming. A ...

Bouldering is particularly winter-friendly because, by definition, the climbs are short, so there’s no time to “numb out.” ...