NASA Science Briefing: Comet Siding Spring at Mars

As dawn creeps across Western Europe on the morning of Thursday, 10 September, a close conjunction of the two brightest objects in the nighttime sky is taking place low in the east an hour before sunrise. So, set your alarm for 5:30am in the UK to see a beautiful juxtaposition of a 26-day-old waning crescent Moon and dazzling planet Venus in the twilight.

NASA’s Mars Reconnaissance Orbiter captures a spectacular enhanced colour image of an ancient crater on the red planet showing rippling sand dunes and eroded bedrock.

NASA’s Opportunity Mars rover and Lunar Reconnaissance Orbiter, working well past their expected lifetimes, could be shut down in fiscal year 2016 as the agency tries to balance funding for older missions and development of modernised new space probes, officials said Monday.