The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.

Imagine exploring the ocean floor, feeling the cool water swirl around you, and suddenly noticing a starfish gliding across ...