Astronomy, Space | featured news

Helix nebula, two light-years wide, gazes at us like the eye of God.

As astronomers become more adept at hunting for, and finding, exoplanets orbiting stars beyond the Solar System, international astronomers have figured out just what we should be looking for, using the increasingly sophisticated technologies being developed.

AP - Debris from this week's satellite collision could circle Earth for up to 10,000 years, threatening many other satellites in an already-crowded area, Russia's Mission Control chief said Friday.

Two communications satellites collided Tuesday in an unprecedented orbital accident that would have been visible from the Earth.