In its debut, the telescope turned its eye toward two familiar showstoppers in deep space: the Trifid and Lagoon nebulas in ...

Rescue operations are underway to save a hiker who has been trapped inside an active volcano in Indonesia for three days.

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The largest digital camera ever built, it will photograph the entire southern sky in three nights. In just one night, it found 1,200 unknown asteroids.

The first mind-bending images taken by the observatory were released today in the tradition of “first light,” a new ...

These are the first public images collected by the Chile-based observatory, which will begin a decade-long survey of the southern sky later this year.

NASA will soon launch a one-of-a-kind instrument, called Arcstone, to improve the quality of data from Earth-viewing sensors ...