Chances of climate catastrophe are ignored, scientists say

Credit: CC0 Public Domain Experts are ignoring the worst possible climate change catastrophic scenarios, including collapse of society or the potential extinction of humans, however unlikely, a group of top scientists claim. Eleven scientists from around the world are calling on the United Nations’ Intergovernmental Panel on Climate Change, the world’s authoritative climate science organization, … Read more

Space debris is coming down more frequently. What are the chances it could hit someone or damage property?

A piece of presumed space debris sits upright in a field in Australia. (Image credit: Brad Tucker, author provided) This article was originally published at The Conversation. (opens in new tab) The contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Fabian Zander (opens in new tab)Senior Research Fellow in Aerospace Engineering, University of … Read more