The spiral galaxy NGC 6946 in Cygnus has seen 10 supernovae in the past century, earning it the nickname the Fireworks Galaxy ...

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...

Over time, these stars became known as Wolf-Rayet stars (Charles Wolf was a French astronomer, and helium was first detected ...

March 27 (UPI) --The uncrewed Cygnus spacecraft is scheduled to undock from the International Space Station Friday after having delivered more than 4 tons of supplies, scientific instruments used ...

Aug. 6 (UPI) --Northrup Grumman's Cygnus resupply spacecraft reached the International Space Station early Tuesday morning, delivering some four tons of supplies to the orbiting laboratory, NASA said.