It's not always easy to find a whale in a vast ocean. But there are several ways to make it easier.
Feeonaa Clifton said she had never spent even a single night on a boat before she and her husband Neville took to some of the world's most forbidding seas.
The desire for protein – and power – is helping fuel fights for territorial waters around the world. Where are these problems surfacing? And how are warming oceans making them worse?
The South Pole,the most remote part of the planet,has been warming at triple the global average,as natural variability joins with climate change to produce an abrupt shift in temperature trends.
The Aurora Australis,Australia's principal research vessel for almost three decades,is headed for the ship-breaking beaches of south Asia unless funds for its purchase and maintenance can be found within weeks.
Australia's humpback whale population is bouncing back from near extinction with 40,000 expected off the Australian east coast this breeding season,while helping the world fight climate change.
There were smiles all round – and espresso martinis – when Sarah Lamond went on an Antarctic cruise with her 85-year-old father,Bob. The pair had never spent so much one-on-one time together.
In the frozen and desolate expanse of Antarctica,Davis station leader David Knoff and other expeditioners are well aware of what it takes to live this way.
The operator of a cruise ship that sailed off the coast of Argentina in the same week that the deadly coronavirus was declared a global pandemic has been described as"irresponsible"by Australian medical experts.
It was March 15 when the MV Greg Mortimer set sail for Antarctica from Argentina with many Australians on board. The cruise should never have gone ahead.
Nearly 60 per cent of 217 people - many from Australia - on board a cruise ship off the coast of Uruguay have tested positive for the coronavirus.