YR4 is a tailor-made asteroid for planetary defence efforts — it has everything it takes to get our attention." ...

"Asteroid 2024 YR4 is now too far away to be observed with space-based or ground-based telescopes," NASA added in a statement ...

Dawn didn’t just observe Vesta’s giant craters - it mapped the asteroid’s interior and detected signs of a once-active molten core. At Ceres, its spectrometers found ammonia-rich clays and carbonates, ...