Today is the Autumnal equinox. It brings fall to the Northern Hemisphere.

Autumnal equinox 2022 brings fall to the Northern Hemisphere today (Sept. 22)

Smoke from the Black Summer wildfires in Australia impacted the climate and high altitude winds of the southern hemisphere for more than a year and a half

Hemisphere-Scale Instabilities Explain Many Puzzling Features on Dwarf Planet Ceres

Ozone Destruction Over North Pole Produces Weather Anomalies Across the Entire Northern Hemisphere

Summer solstice 2022 marks the longest day in the Northern Hemisphere

Hubble captures snapshot of massive galaxy cluster Abell 1351. This galaxy cluster lies in the constellation Ursa Major in the northern hemisphere

Palms at the poles: Fossil plants reveal lush southern hemisphere forests in ancient hothouse climate

How ice clouds develop: Asian monsoon influences large parts of the Northern Hemisphere

Liquid metal, ruby and sapphire could rain down on one hemisphere of a blisteringly hot giant exoplanet that is tidally locked in a tight orbit around its star. That is the conclusion of astronomers who have developed a detailed 3D model of the atmosphere of WASP-121b.

March equinox 2022 brings spring to Northern Hemisphere as Earth's seasons change

Widespread retreat and loss of marine-terminating glaciers in the northern hemisphere

Updrafts crucial: Clouds in the southern hemisphere more precisely understood

Southern Hemisphere Scorchers: Summer Heatwaves South of the Equator

Winter solstice 2021 brings the year's longest night to Northern Hemisphere

Hubble Finds Water Vapor on Trailing Hemisphere of Europa

Hubble Finds Evidence of Persistent Water Vapor in One Hemisphere of Europa

Arid meteor shower makes new appearance in southern hemisphere skies

Hubble finds evidence of persistent water vapor in one hemisphere of Europa

An Exoplanet Reaches 2400 C in One Hemisphere. Does it Really Rain Iron?