Scientists have discovered evidence of a previously unknown period of low temperatures over 1.1 million years ago.
Researchers outline the potential dangers posed by ancient pathogens being unleashed on an unsuspecting world.
Rising temperatures and other environmental changes could make it easier to locate Scotland's elusive monster.
With heatwaves seeing temperature records being broken on a regular basis, just how hot is too hot ?
The US National Weather Service has recorded what is likely to be the highest temperature since records began.
Scientists have reported that a large hole has appeared above the Arctic due to unusually low temperatures.
A vast swathe of water exhibiting an unexpectedly high temperature has left scientists scratching their heads.
An experimental nuclear fusion reactor in China has achieved a temperature six times hotter than the Sun.
A runaway global warming effect may still occur even if countries do manage to slash CO2 emissions.
The 58-year-old's extreme resistance to freezing temperatures has seen him break multiple world records.
Astronauts who spend a lot of time in space are at risk of experiencing a rise in core body temperature.
At twice the size of Jupiter, KELT-9b experiences temperatures in excess of 4300 degrees Celsius.
A catastrophic rise in temperature wiped out the vast majority of life on Earth 250 million years ago.
Scientists have warned that global sea levels could continue to rise over the coming decades.
A groundbreaking new study suggests that scientists have underestimated the impact of climate change.
Andrey Solovyev has braved freezing temperatures in his quest to locate Siberia's own Loch Ness Monster.
New data revealed by NASA has shown that global temperatures have been reaching record levels this year.
Climate scientists have expressed concern over the record-breaking temperatures seen so far this year.
Scientists have found a way to use lasers to heat materials to extreme temperatures almost instantly.
Scientists have measured a record-breaking temperature of -91C on a mountain ridge in Antarctica.