The space agency has released new video footage from its LDSD test flight back at the end of June.
Two independent witnesses reported seeing a strange beam of light descending from the heavens.
The invention is able to convert water and sunlight in to oxygen the same way as a real leaf does.
Several people witnessed a series of strange lights in the skies over the Canadian city this week.
A 'floating' figure and some strange lights were observed by at least four witnesses over two nights.
Astronomers have identified a new cosmological mystery using data from the Hubble Space Telescope.
An experimental saucer-shaped vehicle designed to be used on Mars has undergone a successful test flight.
Located 16 light years away, Gliese 832c has been identified as one of the best places to look for life.
Originating 240 million light years away, the signal could be the best evidence yet of dark matter.
A prototype balloon malfunctioned during a test flight and generated a wave of UFO sighting reports.
A local astronomer spotted the object and reported it to the Leicestershire UFO Investigation Network.
A passenger on a commercial flight over the English capital this week caught something unusual on camera.
A region over Brazil has become notorious for satellite failures, weird lights and other phenomena.
Several witnesses had reported seeing strange lights in the skies above New Zealand over the weekend.
Five members of the same family were struck by a bolt from the blue while out in their garden.
The valley is home to mysterious hovering orbs of light that have been sighted for more than a century.
A star that formed in the same stellar nursery as our Sun has been discovered 110 light years away.
Some people seem to have the ability to turn off streetlights simply by walking underneath them.
The company wants to make the Moon brighter for the purpose of lowering global energy usage.
Several witnesses observed the phenomenon in the sky over a rural part of England.