Finding new physics in debris from colliding neutron stars

Dead, 5,000-pound satellite is falling to Earth today. Will any debris survive the fiery reentry?

Set to launch in 2035, the European Space Agency’s LISA mission will listen for gravitational waves created by colliding black holes and neutron stars—and some might date nearly to the Big Bang

An impossibly huge ring of galaxies might lead us to new physics. Here's how