It's so massive it can be seen from space. This discovery isn't your typical coral reef with vibrant colors. It's a Pavona ...

Recently, the National Geographic Pristine Seas team came across an incredible discovery in the Solomon Islands. What was ...

In new photos shared by the research team, the coral, a species known as Pavona clavus, looks like a lumpy brown mound covered in knobs. Closer views reveal bits of yellow, green, and purple.

Only the emperor was allowed to wear a purple toga, while senators could wear a white toga with the latus clavus, a broad purple stripe along the edge. Equestrian togas had a narrow purple stripe ...