No alien life needed: Dark streaks in Venus' atmosphere can be explained by iron minerals

The dark streaks in Venus' atmosphere — a potential sign of life, according to some researchers — can be explained by Iron-bearing sulfate minerals, a new study reports.

No alien life needed: Dark streaks in Venus' atmosphere can be explained by iron minerals
The dark streaks in Venus' atmosphere — a potential sign of life, according to some researchers — can be explained by Iron-bearing sulfate minerals, a new study reports.