May 12, 2018, 5:09 p.m.

A boost for graphene-based light detectors: Photoexcited graphene puzzle solved

Light detection and control lies at the heart of many modern device applications, such as the camera you have in your phone. Using graphene as a light-sensitive material for light detectors can offer significant improvem...

A boost for graphene-based light detectors: Photoexcited graphene puzzle solved

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March 17, 2020, 8:44 p.m.

Climate change: 'Hothouse Earth' risks even if CO2 emissions slashed on News

Aug. 7, 2018, 3:13 a.m.

Researchers warn that even limited climate warming could trigger conditions not seen in a million years.

Risk of 'Hothouse Earth' despite CO2 cuts

Aug. 10, 2019, 10:19 a.m.

US auditor gives backstory of software reform on F-22, F-35 on Aviation

March 28, 2018, 3:42 a.m.

A new government audit explains for the first time how the Lockheed Martin F-22 quietly launched a movement within the Pentagon four years ago to fix a broken process for developing software for complex weapon systems.

US auditor gives backstory of software reform on F-22, F-35

Space Station in the Sky Over Washington D.C.

Dec. 20, 2017, 9:10 a.m.

The International Space Station is seen in this twenty-second exposure as it flies over the Washington National Cathedral, Wednesday, Nov. 29, 2017. Onboard are: NASA astronauts Joe Acaba, Mark Vande Hei, and Randy Bresnik; Russian cosmonauts Alexander Misurkin and Sergey Ryanzansky; and ESA astronaut Paolo Nespoli.

Space Station in the Sky Over Washington D.C.

From Hot to Hottest

Dec. 20, 2017, 7:11 p.m.

This sequence of images shows the Sun from its surface to its upper atmosphere, all taken at about the same time on Oct. 27, 2017.

From Hot to Hottest

A New Era in Spaceflight

Aug. 5, 2018, 7:36 a.m.

The first U.S. astronauts who will fly on American-made commercial spacecraft, to and from the International Space Station, wave after being announced, Friday, Aug. 3, 2018.

A New Era in Spaceflight

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March 21, 2020, 9:41 a.m.

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Space, the final frontier.

on Space, the final frontier.

Nov. 23, 2018, 1:10 p.m.

Qualquer coisa chama eles

April 13, 2018, 5:10 p.m.

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