Scientists have confirmed what became of a star that exploded in a stunning supernova visible to Earth more than three decades ago: It morphed into a neutron star, one of the oddest objects in the ...

Signs of highly ionized atoms in dusty clouds at SN 1987A’s explosion site suggest a powerful source of X-rays — likely a neutron star — lurks within.

The erupting magnetar observed by IXPE is known as 1E 1841-045, a neutron star located around 28,000 light-years from Earth in the supernova wreckage known as Kes 73, which shocked astronomers ...

This neutron star is only 12 miles (20 kilometers) from end to end, yet weighs 1½ times our sun. It's densely packed with little space between parts of its atoms.