Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Gas cloud collisions during galaxy mergers compress interstellar material, triggering new star formation, as observed in interacting systems studied by NASA and reported by Universe Today.

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...