For the first time, the extremely neutron-rich hydrogen isotope ⁶H has been produced and measured using an electron ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

Quasars represent some of the most luminous and energetic phenomena in the universe. These distant powerhouses are driven by ...