I n the past few days beachgoers have been wondering why a very deep hole appeared on the Suffolk coast. The 12ft-deep (3.7m) ...

The Taam Ja’ blue hole, a massive underwater chasm in Chetumal Bay on the eastern coast of Mexico’s Yucatán Peninsula, has ...

Inland blue holes, however, are unlike any other environment ... Many astrobiologists believe such conditions may exist in pockets of liquid water deep beneath the surface of Mars or in a sea ...

Warning as a very deep "sink hole" found within the River Deben estuary. It is believed to be around 12ft deep (Image: Felixstowe Coastguard Rescue Team) It is believed to be around 12ft deep with ...

Forth Engineering's Deep Recovery Facility, a deep water test facility in Cumbria, has celebrated its 10th anniversary.