The silk floss tree (Ceiba speciosa or in Argentia called the "Palo Borracho") is a species of deciduous tree native to the north-east of Argentina, east of Bolivia, Paraguay, Uruguay and southern Brazil. It is resistant to drought and moderate cold.
If we landed on Europa, what would we want to know?(NASA JPL) A new paper lays out the key science questions to answer for any future proposed robotic spacecraft missions to the surface of Jupiter's icy moon Europa.
How big is the universe? This infographic, designed by Number Sleuth, visualizes the size of the universe and its contents by allowing you to scroll down from the very largest known objects to the smallest and compare their relative sizes. Each row in t
NASA's far-reaching space probe is still within the sun's sphere of influence, but soon will leave into prediscovered areas. The craft has observed a dramatic drop in solar particles and a a high volt of cosmic rays.