Tropical solstice shadows

Solstices mark the changing of seasons, occur twice a year, and feature the year's shortest and longest daylight hours—depending on your hemisphere. These extremes in the length of day and night make solstice days more ...

The fall equinox is here. What does that mean?

Fall is in the air—officially. The equinox arrives on Saturday, marking the start of the fall season for the Northern Hemisphere. But what does that actually mean? Here's what to know about how we split up the year using ...

China unable to reestablish contact with its Zhurong Mars rover

China's National Space Administration (CNSA) has been hoping to reestablish communications with the Zhurong Mars rover, but so far, their efforts have been unsuccessful. Zhurong was put into hibernation over six months ago ...

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