Gianluca Masi from the Virtual Telescope Project captured imagery of comet C/2022 E3 (ZTF). The comet's closest approach to Earth at 26.4 million miles (42.5 million km) away. Credit: Gianluca Masi / ...
The Rosetta-Philae mission was groundbreaking, but Philae’s landing on comet 67P didn’t go as planned. Why did the lander ...