Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Chorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new detection suggests scientists may understand less about them than first thought ...

At the heart of this technological revolution lies a group of often-overlooked elements: rare earth metals and specialty ... their potential to power the future. The growing demand for these ...