A black hole and a neutron star walk into a gravitationally bound system…
What will happen if Cygnus X-1 evolves to become a system of two massive, compact objects (and will we ever find out)?
The Many Modes of Black Hole Accretion
New simulations explore the mechanisms by which black holes grow.
Life with a Lone Wolf: Habitable Planets in Interstellar Space
Could some of the planets ejected from planetary systems during formation harbor potentially habitable subglacial oceans? Abbot & Switzer suggest that they could.