The deep sea creature swam around Toyama harbour for several hours.
Rainforest flower, native to Sumatra, draws thousands of people in southern Australia.
The country is 3.4C above the historical average for December.
Firefighters have been battling 120 wild fires, some of which officials suspect were deliberately set.
Dog-walkers have been spotted posing for photos in front of the carcass of the whale washed up on a Welsh beach.
Storm Frank set to bring gusts of up to 80mph and persistent heavy rain to flood-stricken regions.
Millions of trees across 41,000 square miles of California are suffering from one of the worst droughts ever.
Philippe Petain's Vichy regime helped Nazis deport 76,000 Jews from its territory during WW2.
IBTimes UK looks at our favourite new species discovered in 2015.
IBTimes UK brings you five weird science stories of 2015.
Major astronomy events next year include eclipses, visible planets and supermoons.
Severe weather warnings were in force in many states in central US while emergency was declared in New Mexico.
Up to 3,500 properties – including historic buildings in York city centre – are now at risk of flooding.
COP21 and the infamous two degrees Celsius. What happened in 2015 to prompt these big measures?
What theoretical physicists said about parallel worlds and the universe over the last 12 months.
The South Korean organisation providing the service has cloned over 700 dogs so far.
Construction work was suspended and vulnerable people asked to limit outdoor exposure.
More than 70 flood warnings are in place across England and Wales.
Fears grow that further rainfall in the UK will worsen flooding.
Major Peake said it was not a prank call, but 'just a wrong number!'
Tornadoes and severe storms killed people across Mississippi, Tennessee and Arkansas.
29 flood warnings have been issued by the Met Office as the UK faces a Christmas flooding crisis.
The original Colossus was destroyed 2,000 years ago, but it will be rebuilt four times the size.
A lightweight, extra-strong metal made from magnesium and nanoparticles has been created.
A seven-year-old boy was among those killed in Mississippi.
IBTimes UK takes a look at some of the biggest medical breakthroughs of the year
It's hopefully heralding a more environmentally conscious and accountable country
Researchers found how tardigrades go without water for so long - their proteins transform into glass.
Nasa says 'full cold moon' will peak at 23:11GMT.
Hazy water can block sunlight from contributing to global warming in coral reefs, providing a refuge.