Features
Testing a Recipe for a Star Within a Star
A Thorne–Żytkow object is a star with a neutron star at its core. New work examines whether these theoretical objects could be made, as proposed, in X-ray binary systems.
Features
Standing on a Sub-Neptune
If you were standing on a sub-Neptune exoplanet, would you be standing on a rocky surface or in a magma ocean?
Features
A Black Hole Family Tree
Researchers may have untangled the complex origins of the two black holes involved in a recent massive collision.