Frequency matches the standard for a black box recorder

It is four weeks since Malaysia Airlines flight MH370 went missing during a routine flight from Kuala Lumpur to Beijing, with 239 passengers and crew on board. Very little evidence has emerged in that time, creating a mystery that has no modern parallel. Simon Calder, our travel correspondent, has been following events closely since the first report of the disappearance of the Boeing 777, and tackles some of the key questions.

Police said the partial remains of a woman had been found before bad weather stopped the search

“Maybe people will now understand there are more options than the binary," Norrie said after the ruling

Japan hunts around a thousand whales in the Southern Ocean each year

The Australian Prime Minister said on Monday that crews are committed to doing 'whatever [they] reasonably can'

In the absence of evidence, explanation or understanding, a vacuum has been created.

Some small and as yet unidentified objects were said to have been recovered from the Indian Ocean on Saturday but experts have warned that salvaging MH370 in some of the world’s deepest and most turbulent waters will not be easy.

As a new search zone is explored, relatives speak of frustration

Ships trying to recover debris from Indian Ocean

Change of focus in quest for traces of lost plane yields multiple sightings of possible debris in Indian Ocean

New data shows flight would have run out of fuel faster. Shift means that debris picked up by satellites believed to be from the flight was not the plane

The captain of the missing Malaysian airliner would not have deliberately crashed the plane, his son has claimed as new satellite images revealed 300 floating objects – possibly debris – in the frigid Southern Ocean.

Entrepreneur is accused by US of being one of world’s biggest internet pirates

Australian officials said search and rescue teams were forced to head back to Perth, after latest satellite images revealed 122 objects floating in the Indian Ocean