A full on smashup or a near miss? We find out what happens to planets when their galaxies collide
Astronomers discover black holes “singing in high-energy X-rays”
Large numbers of the exotic object have been uncovered belting out intensive radiation
Smallest stars in the universe rival black holes in jet-spitting contest
Neutron stars could be just as powerful as black holes when it comes to firing exotic jets
What is the OMG particle?
Find out why experts are confused by this particle