The asteroid Ryugu has a texture that is highly porous, new images from a Japanese spacecraft reveal. “It is something like freeze-[dried] coffee,” planetary scientist Tatsuaki Okada of the ...

The asteroid Ryugu is light and fluffy. Images taken by Japan’s Hayabusa2 spacecraft suggest the whole asteroid is highly porous, scientists report in Nature on March 16. “It is something like ...

Galileo was about 10,000 miles from the asteroid when its camera pointed toward Gaspra. The Times referred to the composite photo as “a sharp portrait” of an asteroid, and, indeed, it was at ...