A bold new era in astronomy is on the horizon. By 2029, Schmidt Sciences, the philanthropic foundation founded by former ...

The 21st century is featuring a second space age that is increasingly private.

Medievalists may have to reconsider long-held assumptions about who, exactly, painted all those gorgeous illuminated manuscripts. The intricate role of the scribe has been popularly attributed to ...

Somewhere in a box in her office Julie Abouzelof has a pile of pure blue lapis lazuli. The Hawaii-based ethical sourcing advocate, who owns an online healing crystal shop, is struggling to do the ...

CAMBRIDGE, Mass. — The first blue pigment to hold its color was often prized over gold. The semi-precious stone lapis lazuli was ground into an iridescent pigment, sometimes called ultramarine, that ...

What Anita Radini noticed under the microscope was the blue—a brilliant blue that seemed so unnatural, so out of place in the 1,000-year-old dental tartar she was gently dissolving in weak acid. It ...