At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading to the shortest day and longest night of the year. The winter solstice ...

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

This year's exciting buffet of Northern Lights comes as a result of the Sun's 11-year cycle which will reach its peak in ...

Scientists outline the scientific and technical case for building a northern-hemisphere 30-meter telescope at La Palma to support time-domain and multi-messenger astronomy.

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

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday ...

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

Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones ...

The winter solstice arrived at 7:03 a.m. PST on Dec. 21, making Sunday the shortest day of the year. Those in Seattle will experience just 8 hours and 25 minutes of daylight, with sunrise at 7:55 a.m.

The month brings a strong lineup of celestial sights, including a supermoon, meteor activity, and several close moon-planet ...

Billions of years ago, water flowed across Mars. Most scientists agree the red planet had rivers. But did those rivers flow into an ocean? New research from the University of Arkansas found strong ...

As snowflakes start to settle on mountain peaks, ski enthusiasts eagerly anticipate another season of powdery trails, cozy lodges, and the thrill of the descent. Yet, in recent years, the allure of ...