NASA to demonstrate communications via laser beam
It currently takes 90 minutes to transmit high-resolution images from Mars, but NASA would like to dramatically reduce that time to just minutes. A new optical communications system that NASA plans to demonstrate ...
Chaos could improve performance of wireless communication systems
Getting ready for the next big solar storm
(PhysOrg.com) -- In Sept. 1859, on the eve of a below-average1 solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was so unusual, researchers still aren't sure ...
Australia unveils telescope to warn of solar flares
Australia has unveiled a new radio telescope in the remote outback that will give the world a vastly improved view of the sun and much faster warnings on massive solar storms.
Scientists prove existence of 'magnetic ropes' that cause solar storms
George Mason University scientists discovered recently that a phenomenon called a giant magnetic rope is the cause of solar storms. Confirming the existence of this formation is a key first step in helping ...
Europe's Vega rocket launch set for early February
The maiden voyage of Europe's Vega rocket, designed to launch small payloads of about 1.5 tonnes into low-Earth orbit, is set for February 9, the head of the European Space Agency said Monday.
Biggest solar storm since 2005 pummels Earth
A potent solar flare has unleashed the biggest radiation storm since 2005 and could disrupt some satellite communications in the polar regions, US space weather monitors said Monday.
Cell phone mania forces scramble for more airwaves
(AP) -- Wireless devices such as Apple's iPhone are transforming the way we go online, making it possible to look up driving directions, find the nearest coffee shop and update Facebook on the go. All this ...
Biggest solar storm in years races toward Earth (Update 2)
The largest solar storm in five years was due to arrive on Earth early Thursday, promising to shake the globe's magnetic field while expanding the Northern Lights.
US company aims to 'harvest' asteroids
A US company said Tuesday it plans to send a fleet of spacecraft into the solar system to mine asteroids for metals and other materials in the hopes of furthering exploration of the final frontier.
Space: The final frontier for cell phones?
(AP) -- The vast, thinly populated expanses of the country that still lack cell phone coverage could be getting an interesting option next year: ordinary-looking cell phones that connect to a satellite when ...
Metamaterials approach makes better satellite antennas
(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State ...
Astronomers shed new light on explosive solar activity
(Phys.org) -- The first images of an upward surge of the Sun's gases into quiescent coronal loops have been identified by an international team of scientists. The discovery is one more step towards understanding ...
Delicate rescue saves stranded $1.7B US satellite
Air Force ground controllers delicately rescued a $1.7 billion military communications satellite last year that had been stranded in the wrong orbit and at risk of blowing up - all possibly because a piece ...