On this day in 1995, Dr. Bernard Harris Jr. made history, stepping into the vastness of space and becoming the first African ...

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars ...

"This is the first solid evidence that helical magnetic fields can explain astrophysical jets at different scales." ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...