Underground ocean larger than Earth’s on Ganymede moon
500 million miles from the Sun lies Ganymede moon, slightly larger than the planet Mercury, orbiting Jupiter and may contain more water than all of Earth’s oceans.
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4 Satellites will track the secrets of Magnetic Reconnection
NASA’s Magnetospheric Multiscale, or MMS, mission, will study how a phenomenon called magnetic reconnection allows energy and particles from the sun to funnel inside the magnetosphere, the
The Great Wall by Moonlight
Last Friday, an almost Full Moon rose as the Sun set, over the Great Wall of China in this mountainous landscape north of Beijing. Image credit Francis Audet
Biggest solar flare of the year
A strong Earth-directed X-flare, the biggest of the year, erupted from a large active region on the sun, causes radio blackouts on Earth
Romantic return to Earth
Expedition 42 Returns to Earth. The Soyuz TMA-14M spacecraft is seen as it lands early in the morning on Thursday, March 12, in Kazakhstan.
Volcan de Fuego erupts under the Stars
A ready camera captured this amazing image of Volcán de Fuego (Volcano of Fire) in Guatemala, while waiting near midnight to see a possible eruption. Image credit
Aurora over Icelandic Glacier
An epic auroral display, a dark night, few clouds and a body of water that was both calm enough and unfrozen to show reflected stars. All these
Earth Observing Fleet
This animation shows the Earth Observing NASA’s fleet, the remote sensing observatories as of February 2015. Take a look at the video…
Topaz Solar Farm from space
At 9.5 square miles (25.6 square kilometers), the Topaz Solar Farm, in southern California, is about one-third the size of Manhattan island, or the equivalent of 4,600 football
Defining the future vertical lift aviation fleet
This will be the future of military vertical lift aviation that will enable war fighters to accomplish missions not possible today.