In the US, the flu season starts in October and can go until early spring, with cases peaking in February.

JACKSONVILLE, Fla. — The 2025 tropical cyclone season is off to an unusually calm start across the Northern Hemisphere, marking the slowest beginning to the season since 1973, just over half a century ...

An unusual pattern has emerged ahead of Atlantic hurricane season: No tropical cyclones have formed anywhere in the Northern Hemisphere in 2025 as of May 16. This includes all tropical storms, ...

While many people mourn summer with the passing of Labor Day Weekend, the autumnal equinox is the official end of the summer season. The autumnal equinox marks the start of autumn in the Northern ...

The sun is about to enter the Northern Hemisphere, which means some stunning auroras may be visible in the coming weeks. At precisely 9:01 UTC (5:01 a.m. EDT) on March 20, our star will cross the ...

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season ...

Early snowpack and plunging temperatures in Siberia could be setting the stage for a colder, snowier winter in Minnesota.

Expect an uptick in aurora sightings near the spring equinox on March 20, as celestial geometry swings in favor of geomagnetic disturbances. The sun is about to enter the Northern Hemisphere, which ...