CATCH MERCURY AFTER SUNSET AT ITS BEST FOR THE YEAR
Mercury is visible now in the early evening sky, offering sky-watchers in the UK and at other mid-northern latitudes their best chance of the year to spot the innermost planet.
A FAVOURITE OF AMATEURS AND PROFESSIONALS ALIKE, M13 SITS FOR HUBBLE PORTRAIT
The globular cluster M13 in Hercules, a splendid sight in even modest telescopes, serves up a vast metropolis of stars when imaged by the Hubble Space Telescope.
VOYAGER 1 SHEDS NEW LIGHT ON INTERSTELLAR MEDIUM
NASA's Voyager 1 probe, now 43 years outbound from Earth, is still at work, shedding new light on the interstellar medium.