A streak of lights gliding silently across the velvet night sky—some people gasp in awe, others sigh in dismay. This isn’t a ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home.

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