Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Arecibo and Green Bank observations of 2017 YE5 Radar images of binary asteroid 2017 YE5 from Arecibo Observatory and the Green Bank Observatory on June 25. The observations show that the asteroid consists of two separate objects in orbit around each other. Credits: Arecibo / GBO / NSF / NASA / JPL-Caltech