If There’s Subsurface Water Across Mars, Where is it Safe to Land to Avoid Contamination?

If Mars is a potential home for alien life, can we land safely anywhere on the surface without introducing contamination…

11 months ago

A NASA Panel Says We Don’t Need to be so Careful About Infecting Other Worlds

It's time to update the rules. That's the conclusion of a panel that examined NASA's rules for planetary protection. It…

2 years ago

Bacteria Surviving On Musk’s Tesla Are Either A Bio-threat Or A Backup Copy Of Life On Earth

Is Musk's Tesla Roadster in space a biological threat to life on other worlds, a back-up for life on Earth,…

4 years ago