Billions of years ago, Venus may have harbored as much water as Earth. Today, almost all of it has disappeared. A new study may help to explain why. Planetary scientists at the University of ...
Around 4.5 billion years ago, Earth and Venus were born in the midst of a chaotic star system. With the neighboring worlds being of the same size and similar structure, it’s believed that both ...
Venus today is dry thanks to water loss to space as atomic hydrogen. In the dominant loss process, an HCO+ ion recombines with an electron, producing speedy H atoms (orange) that use CO molecules ...