A 'super-puff' planet like no other

The core mass of the giant exoplanet WASP-107b is much lower than what was thought necessary to build up the immense gas envelope surrounding giant planets like Jupiter and Saturn, astronomers at Université de Montréal ...

Watchdog: Fossil fuel firms need to curb climate gas leaks

The International Energy Agency says oil and gas companies aren't doing enough to reduce the release of methane, a potent source of planet-heating emissions, that is seeping out of pipelines and production plants.

Nations failing to fund climate adaptation: UN

The world is falling short of promises made under the Paris climate deal to help the most vulnerable nations deal with the increasingly devastating impacts of climate change, according to the United Nations.

Mutant roots reveal how we can grow crops in damaged soils

For years, conventional wisdom has held that roots don't grow as deep in hard soil because it's just too difficult for them to physically push through it. But our new research has unearthed another reason: their growth is ...

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Gas

In physics, a gas is a state of matter, consisting of a collection of particles (molecules, atoms, ions, electrons, etc.) without a definite shape or volume that are in more or less random motion.

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