The United Launch Alliance rocket launched the h Mobile User Objective System (MUOS-5) satellite for the Unite States Navy. It launched from Cape Canaveral's Space Launch Complex-41 on June 24, 2016.
The British vote to leave the European Union may occur gradually over two years but raises multiple immediate questions about the consequences for Europe's space programs and Britain's role in them.
NASA's OSIRIS-REx mission to an asteroid does not launch until September of this year, but digital versions of the spacecraft are already taking flight — or at least attempting to do so.
Neptune is sporting a new spot, the first one identified in the 21st century. NASA's Hubble Space Telescope confirmed the existence of the high-pressure system known as a dark vortex after bright clouds hinted at its presence.
Astronomers seeking out extraterrestrial intelligence have used a powerful radio telescope to eavesdrop on a star system that is relatively close to Earth in the hope of hearing the faint radio whisper of an alien civilization.
Sci-fi movies frequently depict alien visitors to Earth as hostile toward humans. But what do real-world experts think about the likelihood that an intelligent civilization would want to kill us all?
The modern constellations are an unusual bunch — here's a tour of the highlights.
At 10:30 a.m. EDT (1430 GMT) today (June 24). A United Launch Alliance Atlas V rocket successfully launched the fifth and finally satellite in the military's MUOS satellite communications array.
A new documentary celebrates the 5-year, 1.74-billion-mile (2.8 billion kilometer) journey of NASA's Juno space probe, is available to stream online starting June 24. The film will also probe Juno's amazing science pursuits.