Great Barrier Reef 

Context:

Scientists have recently uncovered a huge coral reef in the Great Barrier Reef of Australia. It's the first to be discovered in 120 years.

Key Highlights:

• The reef was discovered by Australian scientists at the Schmidt Ocean Institute. 

• The base of the blade-like reef is around 1.5 km wide.

• The recently discovered reef adds to the world's seven other tall, disconnected reefs. It covers the island of Raine. 

Note: ROV SuBastian is the underwater robot that the team is deploying in the recently discovered coral.