CLEVELAND — A small robotic surveyor arrives to explore a near-Earth asteroid. Another robotic spacecraft is returning to Earth with a pristine comet surface sample. Meanwhile, a robotic explorer is ...

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A rendezvous with the metallic asteroid 16 Psyche is scheduled for 2029. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

There never was a better time to do business in space exploration. One needs to look no further than the many space startups presently operating in this industry to realize that's so. Another proof of ...

Plasma propulsion transforms an inert propellant – often hydrogen – into plasma, a superheated mix of ions and electrons.