An international team of researchers has identified a new fuel-efficient route between Earth and the Moon that also avoids the kind of communications blackout the Artemis II crew experienced when their spacecraft slipped behind the lunar far side in April. Th…
The retroreflectors left on the Moon by Apollo 11, 14, and 15 still return laser pulses fired from Earth, and 57 years of data have measured the Moon's recession at 3.8 centimeters per year while confirming Einstein's general relativity to extraordinary preci…
Galileo spent 14 years circling Jupiter through a radiation environment that delivered a cumulative dose to its electronics equivalent to roughly 25 million chest X-rays, and on September 21, 2003, NASA deliberately drove it into the planet at 48.2 km/s to pr…
{"content":"On September 15, 2017, at 11:55:46 UTC, a 22-foot-tall spacecraft the size of a school bus tore itself apart in the cloud tops of Saturn while still talking to Earth. Cassini was travel
