Science & Technology

FILE - Water? Not anymore. Mars’ northernmost sand dunes are seen as they begin to emerge from their winter cover of seasonal carbon dioxide (dry) ice in this image acquired by the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter, Jan. 16, 2014.

Very Deep Water Once Covered Mars, NASA Says

Researchers say there was once more water on the Red Planet than in Earth's Arctic Ocean More

The Hubble Space Telescope is a project of international cooperation between NASA and ESA (European Space Agency). NASA's Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore

Hubble Captures Quadruple Image of Ancient Exploding Star

Four images captured by Hubble were caused by light taking different paths around a massive galaxy cluster More

FILE - Workers lacquer Porsche Macan car body in Leipzig, Germany, Feb. 11, 2014.

Scientists Develop Tough New Self-Cleaning Paint

New study says paint made from coated titanium dioxide nanoparticles continues to work even when damaged or exposed to oil More

FILE - The center of the Milky Way is a crowded neighborhood and not always a calm one, as seen in this image from NASA's Chandra X-ray Observatory.

Astronomers Find Star Speeding Out of the Galaxy

Star US 708 is traveling fast enough to leave Milky Way galaxy in about 25 million years More

FILE - The National Cybersecurity & Communications Integration Center (NCCIC) prepares for the Cyber Storm III exercise at its operations center in Arlington, Virginia, Sept. 2010.

Pentagon to Focus More on Hack-proofing Weapons

Defense Undersecretary says he plans to add cybersecurity to next phase of 'better buying power' initiative; and be included in guidelines for buying weapons More


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Uganda's 'Right to Know' Data Revolution

Former investigative journalist Edward Sekyewa won a landmark case against Uganda Forestry Authority for failure to disclose information requested
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Ethiopian Jawbone Fossil Pushes Back Human Origins

2.8-million-year-old fossil with five intact teeth unearthed in desert pushes back the dawn of humankind by about half a million years
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Spider Venom May Yield New Pain Relievers

Australian researchers analyze venom of 206 spider species, find seven compounds that block pain signals from reaching brain
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Video Volunteer Gauge-Watchers Help Fine-Tune Weather Science

CoCoRaHS, made up of weather buffs who share data on the Web, is the largest provider of daily precipitation observations in the US
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NYC Climate Panel's Report Predicts More Heat, Flooding

Report's co-author and project leader sees 'a real threat to our future' and changes that will affect day-to-day life
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Video Simulated Astronauts Get Taste of Mars, in Hawaii

Six volunteers are isolated high atop volcanic mountain Mauna Loa, living for eight months in terrain that looks much like the surface of the Red Planet
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Video Cyber War Rages Between Iran, US

Newly published report indicates two nations have increased cyber attacks on each other, even as their top diplomats work toward nuclear agreement
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Studies: Climate Change a Factor in Disasters in Syria, California

Studies point to possibility of clear and present dangers from a threat often considered to be far in the future
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Volunteer Gauge-Watchers Help Fine-Tune Weather Sciencei
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March 05, 2015 2:20 PM
An observation system called CoCoRaHS is working to improve weather science, thanks to thousands of volunteers across the country who measure precipitation in their own backyards, then share their data through the Internet. VOA's Shelley Schlender reports.
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Video Volunteer Gauge-Watchers Help Fine-Tune Weather Science

An observation system called CoCoRaHS is working to improve weather science, thanks to thousands of volunteers across the country who measure precipitation in their own backyards, then share their data through the Internet. VOA's Shelley Schlender reports.
Video

Video NASA Spacecraft Approaches a Dwarf Planet

NASA’s Dawn spacecraft will make history on Friday, March 6, when it becomes the first man-made object to orbit a dwarf planet named Ceres. It is located in the asteroid belt between Mars and Jupiter, almost 500 million kilometers from Earth. Among other objectives, Dawn will try to examine two mysterious bright white spots detected on the planet’s surface. VOA’s George Putic has more.
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Video Young Muslims Radicalized Online

Young Muslims are being radicalized ‘in their bedrooms’ through direct contact with Islamic State or ISIL fighters via the Internet, according to terror experts. There are growing concerns that authorities and Internet providers are not doing enough to counter online extremism - which analysts say is spread by a prolific network of online supporters around the world. Henry Ridgwell reports from London.
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Video Simulated Astronauts Get Taste of Mars, in Hawaii

For generations, people have dreamed of traveling to Mars to explore Earth's closest planetary neighbor. VOA's Mike O'Sullivan reports that while space agencies like NASA are planning manned missions to the planet, some volunteers in Hawaii are learning how humans will cope with months in isolation on a Mars base.
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Video Cyber War Rages Between Iran, US

A newly published report indicates Iran and the United States have increased their cyber attacks on each other, even as their top diplomats are working toward an agreement to guarantee Iran does not develop a nuclear weapon and to free Iran from international sanctions. The development is part of a growing global trend. VOA’s Al Pessin reports from London.