Hydrogen is already a $135 billion global industry, used to produce fertilizer and other essential chemicals that support ...

Without these asteroids colliding on Earth, the authors suggest there would ... that turn into vapor at low temperatures.

Mars may be dry, dusty, and far from hospitable today, but new research suggests it once shared more in common with Earth than we thought. A team of scientists from the University of Rochester has ...

Without them, “the majority of researchers might miss the connections.” The big picture, the researchers say, is that the total amount of water in Earth’s soils has been declining since the ...

"Something like 2.7 billion people are without adequate sanitation ... depletion has doubled since 1960." Some of Earth's groundwater is fossil water, created when Earth's climate was far different.

So if the meteorite has its own source of hydrogen, then early Earth likely did, too—meaning it could have produced water without the help of foreign emissaries. “A fundamental question for ...

Deserts cover more than one-fifth of the Earth's land area ... Desert plants may have to go without fresh water for years at a time. Some plants have adapted to the arid climate by growing ...

The primordial debris included icy grains containing frozen water, ammonia and carbon dioxide ... of asteroids to courier compounds to Earth without pounding it into oblivion.