Using in-situ propellant has been a central pillar of the plan to explore much of the solar system. The logic is simple - the less mass (especially in the form of propellant) we have to take out of Earth’s gravity well, the less expensive, and therefore more plausible, the missions requiring that propellant will be. However, a new paper from Donald Rapp, the a former Division Chief Technologist at NASA’s JPL and a Co-Investigator of the successful MOXIE project on Mars, argues that, despite the allure of creating our own fuel on the Moon, it might not be worth it to develop the systems to do so. Mars, on the other hand, is a different story.

"Unfortunately, I was the one who got hit this time," said the Deep Purple legend. Continue reading…

Notable quotables from Graham Platner, Joy Behar, Aftyn Behn, Julie Felss Masino, Christopher F. Rufo, Sean Davis, Victor Davis Hanson, Elon Musk, and more.

The Trump administration proposes a 28-point peace plan to end the war in Ukraine. Will Vladimir Putin actually accept anything short of all of Ukraine?

A new transparency feature on X has stirred confusion, anger and a wave of online sleuthing after users discovered that the platform was suddenly displaying the surprising locations where certain accounts are based. Over the weekend, users noticed that clicking an account's join date now opens a tab that shows the country or region in which the account is located.

A new feature on Elon Musk's X is exposing the truth behind social media accounts across the political spectrum, with account owners apparently misleading followers about where they are posting from. The new feature allows all X users to inspect where a given account is based, usually listing a country or region. Many popular accounts posing as American "patriots" or "constitutionalists" have been exposed as being run from foreign countries since the update rolled out on Friday.

A new X/Twitter feature revealing the application store country registry and location of social media accounts has raised concern about foreign influence and the authenticity of users engaged in polarized online debates, including the Arab Israeli conflict and antisemitism.

The complicated time signature that confused the band. The post The one song Led Zeppelin struggled to record: “I actually wrote it in rehearsal” first appeared on Far Out Magazine.

Bureaucrats once hired to spin the news are now tasked with scanning neighborhood Facebook pages for wrongthink.