Spring equinox has begun, but what is it exactly?
The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in ...
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Can Earth’s Rotation Generate Electricity? Physicists Divided over Controversial Idea
Experiments suggest an unusual magnetic material could help harness energy from Earth’s rotation. But not everyone is ...
First day of spring kicks off with first San Diego sunset past 7:00 p.m.
SAN DIEGO — San Diego rings in the start of the spring season with the first sunset past 7:00 p.m. this year. On Thursday evening, sunset will come at 7:01 p.m., following a sunrise Thursday at 6:52 a ...