On this Valentine's Day, watch a video about certain chemicals - including dopamine, oxytocin and vasopressin - making you feel good around someone you love.
Chuck Yeager, a military test pilot, became the first to break the sound barrier on October 14, 1947. Afterwards, he was dubbed "the fastest man alive."
Watch for Mercury in the east before sunup in January 2023. Mercury reaches greatest elongation on January 30 and remains bright through the end of the month.
The Lunar New Year falls on January 21, 2023 (January 22 in Asia). It coincides with the date of new moon and signals the start of the Year of the Rabbit.
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