Coral Reef Arks is a company developing spherical structures to restore reefs in our oceans. The founder is confident the ...

Coral reefs are the most diverse of all marine ecosystems. They teem with life, with about one-quarter of all ocean species depending on reefs for food and shelter at some point in their lifecycle.

NASA science writer Alan Buis explains why sea-level rise is real, even though you can’t see it. Joe Biden names Alexandria Ocasio-Cortez and John Kerry as co-chairs of his Climate Task Force.