... ESO, the European Southern Observatory . ... Using the Atacama Large Millimeter/submillimeter Array (ALMA), and many other telescopes on the ground and in space, an international team of astronomers has obtained the best view yet of a collision that took place between two galaxies when the Universe was only half its current age. ... Merging galaxies in the distant Universe through a gravitational magnifying glass . ... Zooming in on a gravitationally lensed galaxy merger in the distant Universe . ...