Mech News Today — September 17, 2026

As scientists continue to explore and understand our world and beyond, new discoveries are shedding light on the intricacies of our environment and the universe. NASA's ongoing efforts to study the moon have led to the discovery of a massive new crater, providing valuable insights into the lunar surface and its geological history. Meanwhile, on Earth, researchers are unraveling the mysteries of local ecosystems, such as the link between certain fungi and the defense mechanisms of spruce trees, and the unique characteristics of Melbourne's spring season that trigger allergic reactions.

Advances in technology and methodology are also driving innovation and discovery across various fields. The development of a software upgrade for building with DNA is pushing the boundaries of nanotechnology and materials science. In the realm of archaeology, the analysis of insect remains is revealing new information about Indigenous burial practices in the Canary Islands. Furthermore, breakthroughs in optical technology, such as the creation of a compact optical screen for infrared cameras, are poised to make this technology more accessible and affordable. These stories showcase the diverse and interconnected nature of scientific inquiry, highlighting the ways in which research in one area can inform and inspire progress in others.

Today's signal:
• NASA spacecraft discovers a huge new crater on the moon (phys.org)
• Why Melbourne makes you sneeze in spring (phys.org)
• Building big with DNA gets a software upgrade (phys.org)
• Insect remains reveal Indigenous burial practices in the Canary Islands (phys.org)
• Compact optical screen could pave the way for cheaper infrared cameras (phys.org)
• Fungi neutralize spruce defense mechanisms with sugar (phys.org)