It feels like a nightmare scenario for airplane passengers: You take a look out the window in between mini-pretzel bites to see an engine cloaked in flames, shedding pieces of metal mid-flight from 10,000 feet in the air.

There are apps that offer to unsubscribe you from emails in bulk, but I’ve found the best way to tackle this is to just do it one-by-one.

Jill Tarter Swears She’d Tell Us If She’d Seen an Alien. That’s why Tarter and her colleagues have worked to diversify their approach, considering other ways an alien species might leave a “technosignature.” Maybe they like lasers.

The Side Effects of Solar Geoengineering Could Be Minimal JPL/NASA It sounds like a drastic course of action: inject stuff high into Earth’s atmosphere to reflect a little sunlight and help counteract global warming.

Our research on Australian coal transition – based on contributions by researchers at the Australian National University and the University of Melbourne – looks into the prospects for coal use in Australia and for exports, and the experiences with local transition in the case of the Hazelwood power station closure.

Leading Earth System scientist Will Steffen and his 15 co-authors draw on a diverse set of literature to paint a picture of how a chain of self-reinforcing changes might potentially be initiated, eventually leading to very large climate warming and sea level rise.