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 / ...

Sunspot AR3088 was very active from Aug. 17-19, 2022, delivering several m-class flares as its begins to rotate out of NASA's Solar Dynamic Observatory's view. See a time-lapse captured by the ...