A new study redefines the Pleiades (M45) as a "Greater Pleiades Complex," an extensive stellar family comprising 3,091 member stars and spanning over 1,900 light-years, making it 20 times larger than ...

Borders used to be drawn on maps. Increasingly, they’re drawn around data. High-value data — from health records and financial transactions to mobility, energy and environmental datasets — now sits at ...