In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Social media and other reports have predicted that a smiley face will greet us as we glance skyward early Friday, but a ...

China has launched three astronauts into space to replace the crew on the Chinese Tiangong space station, marking a further ...