WASHINGTON - Firefly Aerospace's Alpha rocket suffered a technical issue on Tuesday as it ascended into space on its sixth ...

The ocean's deep-sea bed is scattered with ancient rocks, each about the size of a closed fist, called "polymetallic nodules.

Another update from Firefly early Tuesday afternoon confirmed the launch failed. The company said the rocket "experienced a ...

At a congressional hearing, one executive welcomed President Trump’s “starting gun” to begin mining. Democrats and ...