This is one of nature's most stunning sights: a pyramid of around 1,000 spider crabs shuffling along the seabed as the crustaceans ready themselves for migration. Article continues below The ...

The SWOT (Surface Water and Ocean Topography) satellite, launched in December 2022, has mapped the seabed in just one year.

Scientists have discovered thousands of mysterious holes in the seabed off Big Sur ... but we find no evidence they were created from gas or fluid in the seafloor in the recent past.