Excess charring on Artemis I's heat shield had NASA racing to understand what went wrong—and to ensure the technology was still safe for the current crew's high-speed reentry.

About 24 seconds after reentry, the spacecraft will largely be engulfed in plasma, leading to a six-minute blackout period.

BA.3.2 spread internationally after first being identified in South Africa in November 2024, with detections rising from September 2025 and reports from at least 23 countries by 11 February 2026. U.S.

BA.3.2, a heavily mutated new COVID-19 variant that may be better able to evade immunity from vaccines or prior infection, is now spreading in the United States. Although COVID infections are ...