THE TRUTH ABOUT: 2 | History Defined

Vernal equinox 2026: When is the first day of spring?

The first day of spring 2026 in the Northern Hemisphere arrives with the equinox on March 20. Here's when and why the seasons change.

LiveScience · Mar 10

The Fallout Map: 10 Nations with the Best Survival Odds in a Nuclear Exchange

The idea of a nuclear war is terrifying, but researchers and defense analysts have actually studied which parts of the world might fare best if...

Saving Advice · Mar 10

African climate science-policy has a serious blind spot: the slowing Atlantic circulation

The climate fiction movie The Day After Tomorrow, released in 2004, popularised the devastating effects of sudden climate change on planet Earth. The plot dramatises the consequences of a shut-down in an ocean current, and features the Northern Hemisphere plunging, within a few weeks, into an ice age.

The Conversation · Feb 9

The shortest day of the year is descending on the Northern Hemisphere. Here's what to know

Sunday marks the shortest day of the year in the Northern Hemisphere, signaling the start of astronomical winter

The Independent UK · Dec 18, 2025

Shortest Day, Longest Night: Winter Solstice Approaches — What to Know and Why It Matters

The winter solstice on 21 December 2025 marks the shortest day and longest night in the Northern Hemisphere. It also signals the start of astronomical winter, occurring when Earth's north pole is tilted furthest away from the Sun, resulting in the least daylight of the year.

International Business Times UK · Dec 17, 2025

When does winter start? Your guide to the 2025 winter solstice.

Astronomical winter begins Sunday, Dec. 21 in the Northern Hemisphere. Here's how the solstice works.

LiveScience · Dec 11, 2025

Reduced air pollution is making clouds reflect less sunlight

Winter is setting in across the Northern Hemisphere, and with it, cold and cloudy winter days. Clouds play a vital role in the environment, providing rain but also reflecting sunlight before it reaches the Earth’s surface.

The Conversation · Nov 17, 2025

Utilities ETFs Could Power Up As Polar Vortex Threatens To Freeze The Grid

Forecasts are turning colder across the Northern Hemisphere, and utilities ETFs may deserve a closer look as a potential seasonal trade. Weather experts caution that a weakening polar vortex could allow Arctic air to sweep into the U.S., Europe and Asia this winter in a shift that could hike heating…

Benzinga · Nov 10, 2025

Two green comets are streaming close to earth. Here’s how skygazers can see this rare occurrence

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere

The Independent UK · Oct 16, 2025

Autumnal equinox 2025 brings fall to the Northern Hemisphere on Sept. 22

The autumn equinox brings fall to the Northern Hemisphere today when the sun passes over our planet's equator at noon.

Space · Sep 19, 2025