Today is the official first day of Fall. Both hemispheres will receive the same amount of radiation and both will experience ...

Today marks the autumnal equinox, or the first day of astronomical fall. Have you ever wondered why it occurs on a different ...

The sun's light and warmth fall unequally on the northern and southern halves of the planet, so during different seasons, the ...

The sun's light and warmth fall unequally on the northern and southern halves of the planet, so during different seasons, the ...

Pacific Standard Time on Sunday, Sept. 22, it's both astronomically and meteorologically fall in the Northern Hemisphere.

Sept. 22 (UPI) -- Sunday is the first day of fall in the Northern Hemisphere. The northern half of the planet entered the ...

Fall will start on Sunday, Sept. 22, at 5:43 a.m. Arizona time. In order to make the start of autumn official, the tilt of ...

It drifts northward for the other half of the year. The sun gets as far north as 23.5 degrees north latitude - the Tropic of ...

Tonight, temperatures will drop into the mid to low 40s across SE Minnesota and NE Iowa, creating chilly conditions when you ...

I have a question about suntanning. First off, I want to say that I get yearly skin cancer checks, love the sun, and hardly ...

Dear Dr. Roach: I have a question about suntanning. First off, I want to say that I get yearly skin cancer checks, love the ...

For Australia's tropical north, the hottest day of the year is closely linked to the wet and dry seasons, which are driven by the solar cycle. The longest day of the year occurs at the summer solstice ...