As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

Tonight’s skies could glow with colorful auroras across 12 states as a burst of solar wind sparks a minor geomagnetic storm. Here's how and when to watch the northern lights.

Update for Oct. 21: Due to cloudy weather, this livestream was rescheduled for Oct. 24, beginning at 1:30 p.m. EDT (1730 GMT). Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach ...

A coronal mass ejection could knock out power and disrupt communication on Earth Dan Falk - Science Correspondent A coronal mass ejection erupts from the sun in 2013. NASA In August of 1859, ...