Reflectarray antennas represent an innovative class of planar antenna systems that combine the favourable attributes of conventional parabolic reflectors with the flexibility and compactness of phased ...

The Artemis II crew will rely on the Deep Space Network for communication and navigation during their mission, which could launch as early as February. Credit: NASA / Mark Sowa On the 18th day of the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Artemis II crew will rely on the Deep Space Network for communication and navigation during their mission, which could launch ...

On the 18th day of the Artemis I mission, NASA unexpectedly lost contact with its moonship, with the silence lasting for over four hours. The problem was rather mundane but troubling: failed aging ...

A 2024 concept image of NASA’s fission surface power system for the moon. The moon is going nuclear. On Tuesday NASA and the U.S. Department of Energy announced a commitment to build a fission reactor ...

On December 6, NASA’s MAVEN (Mars Atmosphere and Volatile EvolutioN) spacecraft, which has been studying the Red Planet’s upper atmosphere for over a decade, mysteriously went offline. The spacecraft ...

The moon is going nuclear. On Tuesday NASA and the U.S. Department of Energy announced a commitment to build a fission reactor on the lunar surface. NASA has been exploring nuclear power for the moon ...

KENNEDY SPACE CENTER — Humanity’s return to the moon began Saturday morning before dawn — at less than 1 mph. That was the top speed NASA’s rocket for the Artemis II mission hit during its ride atop ...

On the 18th day of the Artemis I mission, NASA unexpectedly lost contact with its moonship, with the silence lasting for over four hours. The outage began when the Goldstone station near Barstow, ...

At roughly 250,000 kilometers per hour, comet 3I/ATLAS did not merely pass through the inner solar system it tore through it, fast enough that the Sun could never hope to keep it. That kind of speed ...