deep time

Our Atmosphere Is Leaking Oxygen And Scientists Don’t Know Why

It’s nothing to lose sleep over — really, I promise — but Earth’s atmosphere is leaking oxygen. Atmospheric oxygen levels have dropped by 0.7 per cent over the past 800,000 years, and while scientists aren’t sure why, they’re rather excited about it.

Maybe We Don’t Have To Nuke Mars (So Much) After All

Terraforming Mars could be our only option once we screw this planet up beyond repair, but how exactly are we going to do it? One popular scheme involves releasing truckloads of nuclear warheads over the poles, unlocking billions of tonnes of frozen carbon dioxide and triggering a runaway greenhouse.