Supernova ejected from the pages of history

A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened. Recent observations of the supernova remnant called G11.2-0.3 with NASA's Chandra X-ray Observatory ...

NASA prepares to launch first U.S. asteroid sample return mission

NASA is preparing to launch its first mission to return a sample of an asteroid to Earth. The mission will help scientists investigate how planets formed and how life began, as well as improve our understanding of asteroids ...

Cisco laying off 5,500 employees amid tech upheaval

Cisco Systems is laying off 5,500 employees as the internet gear maker scrambles to adapt to a technology upheaval that has triggered similar cutbacks to other storied tech companies.

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