Apollo 7 astronaut Walter Cunningham dead at 90

Walter Cunningham, the last surviving astronaut from the first successful crewed space mission in NASA's Apollo program, died Tuesday in Houston. He was 90.

Changing the color of quantum light on an integrated chip

Optical photons are ideal carriers of quantum information. But to work together in a quantum computer or network, they need to have the same color—or frequency—and bandwidth. Changing a photon's frequency requires altering ...

As Artemis I launch nears, more Orions on horizon

The Orion spacecraft could be on its first trip to the moon on the Artemis I mission in less than a month, but teams at Kennedy Space Center continue to prep the next capsules planned for human missions, the first of which ...

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