A SpaceX Falcon Heavy rocket carrying the classified USSF-44 mission for the US Space Force was prepped for launch at the Kennedy Space Center's Launch Complex 39A in Florida on Oct. 31, 2022. [Watch launch live](https://www.

Four astronauts will launch on the Artemis II mission Wednesday, marking the first human trip around the moon in over 50 years.

A group of researchers from Utah and Florida measured the sound levels produced by the Space Launch System rocket.

Meteorologists give Wednesday’s Artemis launch attempt from Kennedy Space Center an 80% chance of favorable weather.

NASA's Artemis II mission launched from Florida with 4 astronauts. Now the agency is sharing a stunning view of Earth before they head toward the moon.

When a reactor’s radioactive core undergoes nuclear fission, its atoms split and release heat, which then turns the water to steam. That steam rushes through the machine at high pressure, spinning turbines to generate electricity destined for the grid, according to the association. In space, the process gets trickier.