The closest star system to the Earth is the famous Alpha Centauri group. Located in the constellation of Centaurus (The Centaur), at a distance of light-years, this system is made up of the binary formed by the stars .
Space Garbage by NASA Orbital Debris Program: After decades of space exploration, there are now more than pieces of artificial debris greater than half an inch in size. We seriously need a GIANT space vacuum.
MIT Developing Ionic Wind Thrusters as Efficient Alternative to Jet Engines...
This artist’s impression shows how photons in the Cosmic Microwave Background (CMB, as detected by ESA’s Planck space telescope) are deflected by the gravitational lensing effect of massive cosmic structures as they travel across the Universe.
Gemini Planet Imager (GPI) photo of the planetary system HR showing three of the system's four known planets. (The star is in the middle; planet b is outside the field of view shown here, off to the left.) These data were obtained on Nov.
NASA’s Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter’s largest moon. The subterranean ocean is thought to have more water than all the water on Earth's surface.