Tardigrades - also known as water bears or moss piglets - are less than a millimetre long and can survive extreme temperatures. Getty Images
Tardigrades - also known as water bears or moss piglets - are less than a millimetre long and can survive extreme temperatures. Getty Images
'Moss piglets' could be alive on the moon after spacecraft crash
They are often called ‘the toughest creatures on earth’ because of their ability to withstand extreme conditions
The National
August 08, 2019
