Two Tucson-based space science projects are moving from design to construction. OSIRIS-REx, the asteroid sampling mission being led by the University of Arizona’s Lunar and Planetary Laboratory, has ...
A surprising new paper suggests that the universe's expected lifespan is just 33 billion years, and that the cosmos will start dying in less than a third of that time. However, this is only one ...
This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...
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