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."
NASA's Surface Water and Ocean Topography - SWOT - satellite launched on December 16. It's an international mission to observe water on Earth's surface.
Many billions of snowflakes drift down to Earth's surface in the winter. Some are the lacy or star-type snowflakes. Others are what scientists call 'columns.'
Astronomers said this week the Webb telescope has viewed a fiery hourglass star. Within the hourglass, they see an edge-on disk, where new planets are forming.
NASA will attempt to launch Artemis 1 - the mighty SLS rocket and its attached Orion space capsule - on November 16, mission managers confirmed on Monday.
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