Heating the solar corona

The hot outer layer of the sun, the corona, has a temperature of over a million degrees Kelvin, much more than the surface temperature of the Sun which is only about 5500 degrees Kelvin. Moreover, the corona is very active ...

EPA's IRIS program has made substantial progress, says new report

The U.S. Environmental Protection Agency's (EPA) Integrated Risk Information System (IRIS) program has made "substantial progress" in implementing recommendations outlined in past reports by the National Academies of Sciences, ...

Samsung investigating Galaxy S8 'iris hack'

Samsung Electronics is investigating claims by a German hacking group that it fooled the iris recognition system of the new flagship Galaxy S8 device, the firm said Wednesday.

NASA's Sun-observing IRIS mission

While it seems static from our vantage point on Earth 93 million miles away, the sun is constantly changing. Under the influence of complex magnetic forces, material moves throughout the solar atmosphere and can burst forth ...

IRIS Space Observatory mission extended

Delivering the most detailed images of the sun's lower atmosphere ever recorded from space, the Interface Region Imaging Spectrograph (IRIS), built and operated by Lockheed Martin for NASA, has received more time to deliver ...

Video: IRIS releases new imagery of Mercury transit

On May 9, 2016, a NASA solar telescope called the Interface Region Imaging Spectrograph, or IRIS, observed Mercury crossing in front of the sun—an astronomical phenomenon known as a Mercury transit. During the transit, ...

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