Daily Archives: Mar 21, 2026

By comparison, China is believed to field hundreds of advanced J‑20 stealth fighters, while Russia's Su‑57 program though smaller still represents a potential threat. Against this backdrop, one intriguing question remains for the U.S. Air Force: how to ensure air dominance in both the near term and decades ahead....

Might the very minerals beneath Perseverance's wheels hold the key to Mars' warm and wet past? A new analysis of light-toned rocks scattered across Jezero Crater has revealed aluminum-rich kaolinite, a clay that on Earth forms only under sustained tropical rainfall or in rare hydrothermal systems. This finding, supported...

Could ancient asteroids have spread the seeds of life through the solar system? The latest revelations from NASA's OSIRIS‑REx samples of asteroid Bennu yielded an impressive cache of findings in the form of bio‑essential sugars, complex nitrogen‑rich polymers, and a chemical environment primed for prebiotic chemistry. This gives unprecedented...