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]
Like corn kernels popping in a frying pan, tiny grains of dust may hop around on the surface of asteroids, according to a new study from physicists at the University of Colorado Boulder.That popcorn-… [+5108 chars]
Hawk moths are known for being some of the largest night fliers in the insect world. With wingspans of more than four inches, many species are big enough to comfortably fill the palm of your hand. Th… [+6214 chars]
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 … [+2935 chars]
In a world rife with opposing views, lets draw attention to something we can all agree on: if I show you my pen, and then hide it behind my back, my pen still exists even though you cant see it anymo… [+4081 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]
The Science Roughly half of all flowering plants are “polyploid,” meaning that they have more than two sets of chromosomes, which contain the plants’ genes and DNA. Scientists believe that polyploid… [+3400 chars]