On Wednesday (Oct. 2), an annular eclipse swept over the Pacific Ocean, Chile, and Argentina, wowing skywatchers who were on ...

Chile's Center for Excellence in Astrophysics and Associated Technologies (CATA) releases images of an annular solar eclipse, ...

Researchers have uncovered a massive geological structure deep in the Pacific Ocean near Easter Island, which may explain the rapid expansion of the East Pacific Rise, the world’s fastest-spreading ...

A ring of fire eclipse of the sun crossed the Pacific and the tips of Argentina and Chile. During Wednesdays annular solar eclipse, the moon obscured all but a ring-shaped sliver of the sun. AP ...