Starfield: Todd Howard talks features and more in new interview

Outside of major cities, the procedural systems pull from a pool of handcrafted content & chose where to place it on planets when you land.
Only 10% of planets have alien life (roughly 100 out of the 1k worlds)
Some planets are single biome, others are multi-biome
Major monetary rewards for fully surveying planets
No land vehicles
"the 4 Constellation companions are the romanceable characters"
Ship-building is deep and expensive, meant for late game
Modding confirmed; implication that Creation Club style modding will continue