David Powell
Latest articles by David Powell
NASA Aims to Keep Moon's Skies Junk-Free
By David Powell published
With no atmospheric barrier to shield the Moon's surface, NASA is now taking steps to prevent a similar accumulation of debris in lunar orbit.
Millions of Names Sent to Space
By David Powell published
The names of millions of individuals sit on Mars or cling to an asteroid. And more will go up soon.
How to Find Faraway Moons
By David Powell published
It's possible to detect a moon orbiting a known exoplanet, says astrophysicist.
Lunar Explorers Will Need MoonSat System
By David Powell published
A network of lunar satellites could help future moonwalkers.
How Lunar Landers Sandblasted the Moon
By David Powell published
Videos of moon landings reveal that the process was anything but gentle.
Moon Photos from 1960s Get Digital Facelifts
By David Powell published
Remastered moon photos 40 provide invaluable moon mission information.
Why the Universe is All History
By David Powell published
In space, the illusion that we see things in real time falters.
Mars Meteorites Create Water Mystery
By David Powell published
Martian meteorites provide new evidence that Mars was once a wet world.
Lunar Flash Mystery Solved: Moon Just Passing Gas
By David Powell published
Mysterious lashes of light on the moon caused by spouts of leaking gas.
Tracing Our Sun’s Family Tree
By David Powell published
New research into the chemical composition of starscould identify our Sun’s long lost family and begin to unravel the complex history of our galaxy.
Early Moon Photos Revealed More Than Was Known
By David Powell published
Newly reprocessed images of the Moon’s far side show features that have since become familiar.
Old Rockets Carry Bacteria to the Stars
By David Powell published
Earthly microbes are headed out into the galaxy on four old rockets.
Icy Volcanoes Likely Shape Saturn's Smooth Moon
By David Powell published
Saturn's icy moon Dione may have much in common with its active sibling Enceladus.
Neptune May Have Thousands of Escorts
By David Powell published
Neptune may be escorted in its orbit by thousands of asteroid-like objects, perhaps more than exist in the entire asteroid belt.
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