Following is UN Secretary-General António Guterres’ special address on climate action, “A Moment of Truth”, to the American Museum of Natural History, in New York today:

Billionaires such as Elon Musk and Jeff Bezos are among those most vocal about the benefits of exploring, mining and colonising space.

1) Carried out military interventionism in Libya without Congressional approvalIn June 2011, U.S. Congressman Dennis Kucinich (D-Ohio) said that Obama had violated the Constitution when he launched military operations in Libya without Congressional approval.I…

SpaceX's Starship is a Titan-size "space ark" designed to shuttle settlers to Mars, an off-world sanctuary enabling humanity to survive a nuclear war across Earth.

I struggled a bit in thinking about what to post today. I’ve been working on a Gaza post for a little while now, but it keeps not feeling done, and then new things keep happening. I hope I’ll have it out very soon, but that’ll depend a bit on how well I can w…

“I learned very early the difference between knowing the name of something and knowing something.” ― Richard P. Feynman

Many U.S. high school students are sensitive to the ongoing climate crisis, and some are demanding more paths that allow them to work on solutions to the planet's warming. Colleges and universities are responding.

Leaders from small island developing States worldwide will converge on the shores of Antigua and Barbuda in the Caribbean this weekend to deliver a bold new plan of action to build resilience on the road to the 2030 Sustainable Development Goals (SDGs). Read …