The appropriately named "blood moon" will take on a pronounced reddish hue when the eclipse begins to emerge across the ...

IN these days of accurate clocks and watches no one thinks of using a sun dial to tell the time of day. At best such an instrument can be right but four times a year, and in many places it can ...

Getting sunlight in the morning helps regulate your circadian rhythm as the light signals to your body and brain that it's time to start the day. When it gets dark at night, the SCN triggers the ...

Researchers from Kyushu University have developed a new numerical model to explain the behavior of sunlight under various ...