Rocket Report: Russia reopens gateway to ISS; Cape Canaveral hosts missile test

NASA announces nuclear rocket demo. NASA's announcement Tuesday that it will "pause" work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump administration's space policy. But what should NASA do with hardware already built for the Gateway outpost?

Introducing SR-1 Freedom. Nuclear-powered rocket engines are more efficient than chemical rockets. They come in two forms: nuclear-thermal and nuclear-electric engines.

Artemis II back on the pad. NASA's Artemis II rocket returned to the launch pad March 20 after repairs inside the cavernous Vehicle Assembly Building at Kennedy Space Center in Florida, Spaceflight Now reports. The 322-foot-tall (98-meter) Space Launch System rocket took about 11 hours to cover the 4-mile journey to Launch Complex 39B atop a mobile launch platform and crawler-transporter.