Discovery of additional 20 satellites brings its total up to 82.
After achieving lunar orbit, Indian probe Chandrayaan-2 is set to land on the Moon's South Pole on Sept 7.
Tardigrades can revive from being dried out to a lifeless husk for decades, and withstand near-zero pressure in outer space.
The launch comes a week after a fuel leak forced a previous attempt to be scrubbed 56 minutes before the scheduled blast-off.
Nasa has been in overdrive for several weeks to mark the anniversary, with exhibits and events around the US.
By examining samples from the moon, scientists are analysing how gravity affects the magma within rocky bodies billions of years ago.
Experts are calling to grant heritage status to lunar sites marked with NASA artefacts to protect them from future tourists and human activity.
NASA's Apollo programme was also the catalyst for profound scientific and engineering breakthroughs that reverberate to th
The Moon continues to capture the imagination of storytellers, as it has for centuries.
Some 400 years of depictions of the Moon, particularly via photography, are going on display at New York's Metropolitan Museum of Art ahead of the 50th anniversary of the Apollo 11 landing.
Curators at the Smithsonian Air and Space Museum's annex in Washington DC help to preserve the relics of the historic NASA moon landing missions.
'The Moon is our path to get to Mars in the fastest, safest way possible. That's why we go to the Moon,' NASA administrator Jim Bridenstine says.
Trump administration is requesting Congress to increase NASA spending by nearly US$2 billion to move closer towards its goal of returning American astronauts to the moon by 2024.
Only three other nations have carried out controlled 'soft' landings on the moon – the United States, the former Soviet Union and China.
The US space agency plans to build a small space station in the Moon's orbit by 2026.
It's easy to think that 50 years on, we know everything there is to know about the Apollo 11 mission and man's legendary first footsteps on the Moon.
More research is needed to figure out how the pace of asteroid impacts has changed over the past 290 million years or so.
Nasa's lunar orbiter will pass over the Chang'e 4 landing site on January 31 and will snap pictures, as it did for the Chang'e 3 in 2013.
Images sent back by the Chang'e-4 probe show a cotton sprout has grown well, but so far none of the other plants has taken.
Beijing is pouring billions into its military-run space programme, with hopes of having a crewed space station by 2022, and of eventually sending humans to the moon.
China launched the Chang'e-4 probe earlier this month.
No lander or rover has ever touched the surface there, positioning China as the first nation to explore the area.
Armstong's offspring found the treasures after he died in 2012, tucked away at his house or that of their mother, his ex-wife.
The canine gifts come after a September meeting between Moon and North Korea leader Kim Jong Un in Pyongyang.
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