Certification News Today — August 20, 2026
Rescue mission is called off for NASA's aging Swift space telescope and more — today's certification signal.
As scientists continue to push the boundaries of human knowledge, their efforts are reflected in a range of developments, from the decommissioning of aging space-based tools to innovative projects on Earth and in space. NASA's decision to call off the rescue mission for its aging Swift space telescope serves as a reminder that even the most groundbreaking technologies have a limited lifespan, while also highlighting the importance of planning for succession and the development of new tools.
Several new advancements demonstrate the potential for innovation to address pressing challenges. Researchers are racing to build a radio telescope on the moon, which could unlock new insights into the universe. On Earth, scientists have made significant breakthroughs in sensor technology, including the development of a perovskite-based sensor that can detect ammonia leaks at very low concentrations, and the use of solar panels to cool crops and workers. Additionally, researchers have made progress in understanding and combating diseases, including a 'disarming' discovery that could help fight deadly fungal infections, and the identification of a new transmissible cancer in bullhead catfish. These developments showcase the diverse and dynamic nature of scientific inquiry.
Today's signal:
• Rescue mission is called off for NASA's aging Swift space telescope (phys.org)
• Racing to build a radio telescope on the moon (phys.org)
• Perovskite-based sensor detects ammonia leaks at concentrations as low as 1 ppm (phys.org)
• Solar panels can cool crops—and workers (phys.org)
• 'Disarming' discovery could help scientists fight deadly fungal infections (phys.org)
• How we found a new transmissible cancer in bullhead catfish (phys.org)