They may be giants of the deep today, but blue whales only gained their huge size 2-3 million years ago.
Recent research has shown that massive waves can appear out of the blue with surprising regularity.
People from several towns across the country reported witnessing the spectacle at 9:30pm on Monday night.
The breathtaking natural phenomenon is typically unpredictable and lasts for only fractions of a second.
The unusual hue of certain tarantulas has been helping scientists develop vibrant new 3D-printed colors.
Visitors to the Australian east coast at the weekend were greeted by a thick blanket of blue jellyfish.
The anomalous object was spotted in front of the Sun in an image taken by NASA's STEREO satellites.
A large hexagon-shaped feature in Saturn's atmosphere appears to have changed color from blue to gold.
New evidence suggests that indigo dyes were first used 1,800 years earlier than previously believed.
The privately-funded space firm founded by Amazon's Jeff Bezos has revealed two huge new rockets.
Blue Cross volunteer Peter Edge was shocked to discover the enormous serpent in a shop bathroom.
Blue Origin has beaten SpaceX in the race to build a rocket that can launch and then return to the Earth.
An extremely rare and unusual type of sea creature has been found washed up on a beach in Queensland.
Pluto's impressive blue haze has been revealed for the first time in new images from New Horizons.
Aaron Smith had been driving along a road in British Columbia when he spotted something very unusual.
An infrequent astronomical phenomenon is due to appear tonight for the first time in three years.
The breathtaking image was captured one million miles away by the Deep Space Climate Observatory.
Scientists have found new evidence to suggest that some dinosaur eggs were a bright blue-green color.
Dashcam footage showing a bright white and blue flash over the city of Stavropol has gone viral.
Concerns were raised when bright blue snow started to turn up on the streets of Chelyabinsk.