Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its momentum goes to the Moon. To put it another way, as the Moon's orbital momentum ...

(Related reading: The impacts that gave us the Moon may explain why Earth has life today) ...

Scientists created the most accurate three-dimensional map of star-formation regions in our Milky Way galaxy, based on data ...

A gem of a find by The Public Domain Review of a collection from the Rijksmuseum: photographs of plaster models of the ...

Scientists created the most accurate 3D map of star-formation regions in our Milky Way galaxy, based on data from the European Space Agency’s Gaia space telescope. The star-formation region that is ...