Rare planetary spectacle: All 7 planets align in stunning night sky view
A rare full seven-planet alignment will be visible in the early night sky between Feb. 22 and 28. We have the tips you need ...
Colliding Plasma Ejections From The Sun Generate Huge Geomagnetic Storms − Studying Them Will Help Scientists Monitor Future Space Weather
The Sun periodically ejects huge bubbles of plasma from its surface that contain an intense magnetic field. These events are called coronal mass ejec ...