Scientists have discovered the elusive properties hidden within promethium, a rare earth element that has remained largely ...

When Way Kuo, a senior fellow at the Hong Kong Institute for Advanced Study, claimed in a working paper appearing in the SSRN ...

For the first time, astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes ...

ABC News contributor Father James Martin discusses the characteristics that cardinals might be looking for in the next pope.