In October 2020, a small spacecraft briefly touched down on an asteroid to snag a piece of it to bring to Earth. Almost two years later, scientists have learned that if the OSIRIS-REx spacecraft had … [+2921 chars]
Your body is made of close to 100 trillion cells that keep you healthy and alive. Each cell has billions of parts of its own, all of them working in tandem to keep life's processes moving.One vital c… [+5020 chars]
Using the latest technologies currently available, it takes over 25,000 tons of rocket hardware and propellant to land 50 tons of anything on the planet Mars. So, for NASAs first crewed mission to Ma… [+7589 chars]
In 2019, astronomers observed the nearest example to date of a star that was shredded, or "spaghettified," after approaching too close to a massive black hole.That tidal disruption of a sun-like star… [+7206 chars]
One look at the Planetary Decadal Survey for 2023 – 2032, and you will see some bold and cutting-edge mission proposals for the coming decade. Examples include a Uranus Orbiter and Probe (UOP) that w… [+12246 chars]
In 2019, astronomers observed the nearest example to date of a star that was shredded, or "spaghettified," after approaching too close to a massive black hole. That tidal disruption of a sun-like st… [+7201 chars]
For a polymer composed of very simple repeating units, polyethylenimine (PEI) has an astounding number of practical applications, including detergents, adhesives, cosmetics, industrial agents, CO2 ca… [+4172 chars]
McIntosh, I. M., Tani, K., Nichols, A. R. L., Chang, Q. & Kimura, J.-I. Geology https://doi.org/10.1130/G50148.1 (2022). Article Google Scholar
Using new technologies to study thousands of genes simultaneously within immune cells, researchers at Gladstone Institutes, UC San Francisco (UCSF), and Stanford School of Medicine have created the m… [+5552 chars]
Earth's mantle is the thick layer of silicate rock between Earth's crust and its molten core, making up about 84% of our planet's volume. The mantle is predominantly solid but, on geologic time scale… [+3628 chars]
NASA's Perseverance Mars rover used one of its navigation cameras to take this panorama of a proposed landing site for the Mars Sample Return lander. The lander would collect rock and sediment sample… [+1872 chars]
Uncovering the evolution of any set of living creatures is a complex and highly detailed task for scientists, and theories and approaches that may differ over time may indeed change the fossil record… [+2887 chars]