Pulsar's new fusion rocket could cut the time it takes to reach Mars to just 4 months of travel, a massive improvement over current times.

Our countdown includes NASA and Blue Origin replicas as well as Estes models with cameras and STEM sets for kids.

The Kinetica-1 rocket launched Wednesday for the first time since a failure doomed its previous attempt to reach orbit in December, according to the vehicle's developer and operator, CAS Space. The ...