comet
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-4103.jpeg)
Moon's Lopsided Dust Cloud Could Affect Space Travel
Posted in Science on 5th Jul, 2015
by Alex Muller
Scientists have recently discovered that the Moon is engulfed in a permanent, lopsided dust cloud that could affect future space travel, a new study says.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-4323.jpeg)
Fresh evidence for how water reached Earth found in asteroid debris
Posted in Science on 10th May, 2015
by Alex Muller
Water delivery via asteroids or comets is likely taking place in many other planetary systems, just as it happened on Earth.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-12860.jpeg)
2014: It's been a busy year in space
Posted in Featured, Science on 26th Dec, 2014
by Alex Muller
In a mixture of triumph and tragedy, space exploration reached new horizons, tested new technologies, and pushed the limits of possibility.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-4940.jpeg)
Earth's water probably didn't come from comets, Rosetta scientists say
Posted in Science on 10th Dec, 2014
by Alex Muller
The new data is important for answering questions about the origins of water on Earth, but not everyone is convinced.
![](https://www.planettechnews.com/wp-content/uploads/2019/02/unnamed-file-5048.jpeg)
Philae makes historic first landing on comet
Posted in Hardware on 12th Nov, 2014
by Alex Muller
History was made today as a spacecraft the size of a fridge executed the first successful landing on a comet.