SpaceX’s Failed Landing Still Ended With a Clean Plop

SpaceX’s Failed Landing Still Ended With a Clean Plop

SpaceX launched its 20th rocket of the year just two days after lofting a record 64 satellites into orbit. On this flight, a brand-new Falcon 9 hoisted a Dragon spacecraft into orbit, bound for the International Space Station. But unlike Monday’s textbook touchdown,...
Watch SpaceX Attempt Its Wickedly Complex Satellite Launch

Watch SpaceX Attempt Its Wickedly Complex Satellite Launch

On Sunday, SpaceX plans to hoist into space the largest cosmic carpool to depart from US soil. The California-based aerospace company is flexing its ridesharing muscles in a carefully choreographed orbital ballet as its flagship rocket—the Falcon 9—prepares to launch...
Scientist Who Crispr’d Babies Bucked His Own Ethics Policy

Scientist Who Crispr’d Babies Bucked His Own Ethics Policy

We said “don’t freak out,” when scientists first used Crispr to edit DNA in non-viable human embryos. When they tried it in embryos that could theoretically produce babies, we said “don’t panic.” Many years and years of boring bench science remain before anyone could...
Kilogram Redefined. The Metric System Overhaul Is Complete

Kilogram Redefined. The Metric System Overhaul Is Complete

On the morning of Friday, November 16, scientists and diplomats crammed into an auditorium in Versailles, a stone’s throw from the Sun King’s gilded chateau. Patrick Abbott, an American physicist, had flown into France for the long weekend. Forehead gleaming and blue...