Unlike regular clocks, atomic clocks are highly accurate, enabling scientists to use them to measure gravity.
The projected consequences of the rapid increase could lead to critical problems for major coastal cities around the globe.
An international team of researchers examined 151 nations around the world, finding that not a single one was operating in a sustainable manner.
'Sinking' Pacific nation Tuvalu appears to be growing, according to a University of Auckland study examining geography of 101 reef islands in the Pacific Ocean.
The research, which involved more than 34,000 people, is the first to examine the environmental impacts of both diet and farm production systems.
Researchers say that a stellar event known as a grand minimum will likely take place in the near future, causing our star to give off less radiation.
Environmental watchdog boss Scott Pruitt overturns conventional wisdom to ask if global warming might be beneficial to humans.
Ozone layer could have been depleted by volcanic eruptions letting in dangerous levels of UV rays from the sun to bring about the Great Dying.
Melting ice could release thousands of gallons of mercury into the ecosystem and scientists are not sure what would happen if it does.
Scientists melted a tiny bore hole through 300 metres of ice in a slowly yet constantly moving Antarctic ice shelf.
"This amount of stupidity is very dangerous," one person tweeted.
China has announced plans to develop a "Polar Silk Road" to take advantage of new shipping routes created as climate change and rising temperatures cause Arctic ice to melt.
Reefs are crucial to the health of the marine ecosystem which humans rely on, but they are dying around the globe.
Researchers found that the sandwiches with the highest carbon footprint were those containing pork meat, cheese or prawns.
British children more anxious about Trump than global warming and threat of nuclear war, study by Mental Health Foundation reveals.
Rising temperatures have been directly attributed to human-caused emissions and carbon dioxide dumping.
It is unlikely that we will achieve a best case scenario, but it also unlikely that the Earth will become too hot to live in.
Greenhouse gasses can wreak havoc in an atmosphere and Venus is an extreme example.
The world is getting warmer each year and humans are to blame.
Nasa's images shared on Instagram offer a bird's eye view of what is happening in some parts of the country.
Warm ocean waters and rising CO2 levels are likely to disturb the food chain.
Dutch start-up Lightyear has designed a solar-powered car prototype which can be driven for months without charging.