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 ...

Last summer's sweltering heat broke more than city or regional or even national records. In what they call an "alarming finding," scientists say that in the Northern Hemisphere, the summer of 2023 was ...

April was the first month in recorded history with average carbon dioxide levels at or above 400 parts per million across the Northern Hemisphere, according to a May 26 announcement by the World ...

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.

Ohio has seen plenty of snow, but winter hasn't started yet. Here's the date and time of the winter solstice 2025, and Ohio's ...

The summer solstice, marking the Sun's northernmost point and the official start of summer, precedes the season's hottest temperatures by weeks or months due to the non-instantaneous thermal response ...

The Northern Hemisphere flu season will have a bearing on how well respiratory products maker Fisher & Paykel Healthcare ...

I derived a zonal index by subtracting the December–February mean sea-level pressure northwards of 45° N from the mean sea-level pressure between the Equator and 45° N using two data sets: the NCEP ...

The June solstice is here once again, marking the longest daylight period of the year and the start of astronomical summer in Earth’s northern hemisphere. At 5:04 UTC (1:04 a.m. EDT) on June 21, the ...