The satellites, designed for low Earth orbit, will be equipped with infrared sensors for missile warning and tracking, as ...

Northrop Grumman (NYSE: NOC) will build 38 Alpha satellites for the second tranche of the Proliferated Warfighter Space Architecture’s transport layer under a potential $732 million contract with the ...

York Space satellites delivered to the Space Development Agency for the Tranche 0 Transport Layer. Credit: York Space Systems WASHINGTON — The Space Development Agency has awarded York Space a $615 ...

WASHINGTON — The Space Development Agency is planning a new procurement of 100 satellites to continue to build out a military constellation in low Earth orbit. In a May 11 draft solicitation, the ...

DENVER, Dec. 19, 2025 /PRNewswire/ -- The Space Development Agency (SDA) has awarded Lockheed Martin (NYSE: LMT) a contract for 18 space vehicles for its Tranche 3 Tracking Layer (TRKT3) constellation ...

Back-contact perovskite solar cells (BC-PSCs) represent a promising new alternative design to conventional solar cells, offering improved light absorption and higher power conversion efficiency.

Researchers in China have built a hole transport layer with a mixed binary configuration integrating the polymer Regioregular poly(3-hexylthiophene) (P3HT) and Spiro-OMeTAD. They used it to build a ...

Organic–inorganic hybrid perovskite materials offer the potential for realization of low-cost and flexible next-generation solar cells fabricated by low-temperature solution processing. Although ...