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Stunning array of 400 rings in a 'reflection' nebula solves a 30-year-old star-formation mystery — Space photo of the week

The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...
New Scientist

Why we all need a little festive pedantry when it comes to snowflakes

Mathematician Katie Steckles explains just why the proliferation of snowflake decorations this time of year is deeply ...