Active small bodies—including comets, active asteroids, icy minor planets, and transitional objects—occupy a unique position in planetary science. As ...

A single patch on the Sun recently stayed hyperactive for 94 straight days, hurling flare after flare into space and setting a new record for continuous monitoring of such a volatile region. The ...

Scientists hunting for life beyond Earth have discovered more than 1,800 planets outside our solar system, or exoplanets, in recent years, but so far, no one has been able to confirm an exomoon. Now, ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Solar storms and coronal mass ejections (CMEs) can disrupt everything from satellites to power grids. A new AI tool, PINNBARDS, developed by Southwest Research Institute (SwRI) and NSF-NCAR, can now ...