Pt. 1. The golden age, 1957-1982. The beginning -- Of landers and orbiters -- The grandest tour -- Pt. 2. Hiatus and renewal, 1983-1996. The decade of Halley -- The era of flagships -- Faster, cheaper ...

A pellet of plutonium 238, illuminated by the glow of its own radioactivity. NASA and other space agencies use this material in radioisotope power sources for interplanetary missions to the solar ...

SpaceX boss Elon Musk chimed in on the debate over the 3I/ATLAS comet and the subsequent alien conspiracies during an appearance on Joe Rogan's podcast.

A planetary scientist who has participated in analog missions describes their value for planning space exploration – and ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years But RPS is expensive, costing ...