Marking a new milestone in the search for water on distant planets, astronomers have found water vapour in the atmosphere of the exoplanet HAT P-11b, that is about four times the radius of Earth.
Human activities are directly responsible for rising levels of atmospheric water vapour, the most abundant greenhouse gas and a key driver of global warming, scientists say.
The rising levels of water vapour in the upper troposphere - a key amplifier of global warming - owing to greenhouse gases will intensify climate change impacts over the next decades, scientists said.
Researchers at Caltech and several other institutions have made the first detection of water in the atmosphere of the Jupiter-mass planet orbiting the nearby star Tau Bootis.
The Hubble Space Telescope has detected the first strong evidence of water plumes erupting from the icy surface of one of Jupiter`s moons Europa.
A team of international scientists has made the most detailed examination yet of the atmosphere of a Jupiter-size like planet beyond our solar system.
More than 2000 Earth oceans-worth of water vapor were detected, liberated from icy dust grains by high-energy cosmic rays passing through the cloud.
The upper atmosphere of Mars contains up to a hundred times more water vapour than anyone had ever imagined.
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