All those 60s, 70s, 80s and 90s kids out there may remember the classes of model rocket engines – generally A, B, C, and D sized engines used to push your cardboard tube with balsa fins skyward.

Stick an Estes motor in that thing and send it ... [Concrete Dog] has come up with HEXA, a clever model rocket kit that uses pre-scored cardstock instead. The immediate advantage is that this ...

Defense company Anduril Industries Inc. said it’s been awarded $14.3 million by the Pentagon to expand the solid rocket ...