Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of ...

Of all the abductions, this one is different.

Gravitational waves shake the very fabric of the universe when black holes collide. Today we measure these events and use them to understand the cosmos. Now University of Copenhagen researchers and ...

Gravitational waves are ripples in spacetime predicted by Einstein and first detected by LIGO in 2015, confirming black hole ...