Bright galaxies put dark matter to the test

The earliest galaxies are thought to have formed as the gravitational pull of dark matter, which has been impossible to study directly, slowly drew in enough hydrogen and helium to ignite stars. But astrophysicists now show that after the Big Bang, hyd…

Source rocks of the first real continents

Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed- – a revised origin story that doesn’t require the start of plate tectonics or any external factor to explain their formation. Instead, the findings rely…