New water cycle on Mars discovered

Approximately every two Earth years, when it is summer on the southern hemisphere of Mars, a window opens: Only in this season can water vapor efficiently rise from the lower into the upper Martian atmosphere. There, winds carry the rare gas to the north pole. While part of the water vapor decays and escapes into space, the rest sinks back down…

Unfathomably deep oceans on alien water worlds?

Distant water exoplanets might have oceans thousands of miles deep. That’s in contrast to Earth’s ocean, which is about 6.8 miles (about 11 km) deep at its deepest point. Source: https://earthsky.org/space/exoplanet-water-worlds-deep-oceans-2019-study…

Was moon created from proto-Earth magma?

A new study suggests that our moon formed from a splash of magma when a large object crashed into a proto-Earth covered in a fiery ocean. Source: https://earthsky.org/space/moon-created-impact-proto-earth-magma…