Seeking oil at sea

A heartbeat-like pulse has been discovered beating deep beneath East Africa – and it’s ripping the continent apart. The strange thumping is caused by a rhythmic surge of molten mantle rock rising and

Finding the remains of this iconic liner on the seabed was no easy feat, but after more than seven decades the wreckage revealed itself

Greg Manning sails his Fairey Atalanta from Arisaig in the West Highlands to the Isle of Skye in the Inner Hebrides

They’ve recently made headlines for interfering with boats, but intelligent, family-focused and remarkably long-lived orcas–better known as killer whales–contain multitudes,

Intimidated by seawatching? A pelagic trip gets you much closer to those seabirds, writes John Miles

When four passengers boarded the Titan submersible, they thought they were taking the trip of a lifetime, not a deep dive to their watery grave