Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

The debate about Earth’s shape dates back to ancient civilization, according to scientists like Dr. James Garvin. The Greeks and Egyptians documented evidence of the world’s roundness. And this ...

Solar Orbiter began routine science operations in 2021 and has since looped ever closer to the Sun, stealing bits of speed ...

A rare alignment of planets and our moon will produce a celestial old-school emoticon in the pre-dawn eastern sky on April 25 ...