Earth’s water may not have originated from asteroids after all. ... but it identified the location of only about 20 percent of the hydrogen in these meteorites.

A new study brings scientists one step closer to answering the question of where Earth's water came from. Water makes up 71% of Earth's surface, but no one knows how or when such massive ...

Only 2.5% of the Earth's global water supply is fresh water and supplies are shrinking with the unrelenting advance of climate change. Researchers say ocean water vapor may provide relief.

This study was triggered by investigations of Earth's water content, which yielded a surprising result four years ago: The oceans on Earth's surface only contain a small fraction of our planet's ...

While there are about 65,000 known meteorites on Earth, "only about 1,200 have been seen while falling and, of these, only 51 are carbonaceous chondrites", said The Times.

The origin of Earth's water has been an enduring mystery. There are different hypotheses and theories explaining how the water got here, and lots of evidence supporting them.

By the time the largest piece of debris landed abruptly in a driveway in Winchcombe, England, it weighed only 11.3 ounces. ... there are probably several sources for water on Earth,” she says.

Of course, the Earth’s plate tectonics and water are not the only things to set it apart. Our home planet is the only one to host life—and the rocks here show it. Take limestone, a chalky rock ...

Earth’s soil is drying up. It could be irreversible. The losses in soil moisture already pose issues for farming, irrigation systems and critical water resources for humans.