On the morning of Jan. 24, in far northern Minnesota, the sun will not “rise.” It will make its first appearance well above the horizon. For that is the day of the first eclipse of the sun in ...

David Hubel and Torsten Wiesel discovered how the cerebral cortex processes visual information. Their research won them the ...

Twice a year, areas in the tropics experience an eerie phenomenon that makes photographs look unnatural, but a few clouds at the wrong time can spoil the unique solar event.

As the Earth orbits around the sun, different regions of the world get direct sunlight at different times of the year. Zero Shadow Day, for instance, occurs twice a year in Bengaluru, in April and ...

The world's most famous groundhog has a chilly message: the legendary weather predictor Punxsutawney Phil saw his shadow, signaling six more weeks of winter It’s Groundhog Day, and all eyes are ...

Zero Shadow Day in Bengaluru Bengaluru, at around 13°N latitude, sees Zero Shadow Day every six months. In 2025, it will fall around April 24-25 and then again on August 18.

Watch Groundhog Day live feed 2025. Visit Pennsylvania's website will host a live stream for the event. The stream will begin at 2 a.m. MT/3 a.m. CT and can be seen below.

The world's most famous groundhog has a chilly message: the legendary weather predictor Punxsutawney Phil saw his shadow, signaling six more weeks of winter It’s Groundhog Day, and all eyes are ...

The groundhog’s shadow is only an accurate prediction about 40 percent of the time. And Phil, whose “forecast” is decided before he actually “sees” his shadow, has nothing to do with the ...