New images of Orion’s famous red supergiant star show how it has changed in the course of just one year.
Eclipses, oppositions, spectacular conjunctions and a close encounter between Venus and the Pleiades await stargazers this year.
The craft is a forerunner of the kind of robot that might one day explore underneath the ice crust of Jupiter’s moon Europa.
Residents of Darwin and other places in the northern half of Australia will be treated to a partial solar eclipse on December 26.
The structure will protect NASA’s next Mars rover from temperatures as high as 2,100°C during entry into the planet’s atmosphere.
Galaxies NGC 5394 and NGC 5395, around 160 million light-years from Earth, are caught in a slow motion collision.