Hubble entered safe mode on April 23, but NASA reports the telescope is still in "good health." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Decades in the making, a space probe that delves into Albert Einstein's general theory of gravitation remains grounded on Earth, caught in its own space-time continuum of technical snags, costly ...

WASHINGTON (voa) – Astronauts aboard the international space station say the failure of a stabilizing gyroscope is not a crisis. The orbiting outpost is now operating with the minimum number of ...