Galaxies

196 lasers help scientists recreate the conditions inside gigantic galaxy clusters National Ignition Facility technician

196 lasers help scientists recreate the conditions inside gigantic galaxy clusters

Experiments point the way to solving mystery that keeps clusters hot

Leftover Big Bang light helps calculate how massive faraway galaxies are South Pole Telescope - Aurora

Leftover Big Bang light helps calculate how massive faraway galaxies are

Hubble pushed beyond limits to spot clumps of new stars in distant galaxy An illustration portrays what distant star-formation regions might look like up close

Hubble pushed beyond limits to spot clumps of new stars in distant galaxy