Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from ...

An international team led by the University of Geneva (UNIGE) has identified three ultra-massive galaxies—nearly as massive ...

These included J.J. Thomson's 1897 discovery of the electron and James Chadwick's 1932 identification of the neutron. But perhaps the most famous ... By the mid-20th century, scientists were aware of ...