Astronomers at NASA's Goddard Space Flight Center find that an X-ray source in galaxy NGC 5408 represents one of the best cases for a middleweight black hole to date.
In a break from its usual task of searching for distant cosmic explosions, NASA's Swift satellite has acquired the highest-resolution view of a neighboring spiral galaxy ever attained in the ultraviolet.
NASA's Swift satellite detected a rare interstellar object known as a soft gamma repeater, or SGR. The object is only the fifth confirmed SGR.
NASA's Swift satellite and an international team of astronomers have found a gamma-ray burst from a star that died when the universe was only 630 million years old.
03.20.08 - - A powerful stellar explosion detected March 19 by NASA's Swift satellite has shattered the record for the most distant object that could be seen with the naked eye.
05.11.05 - NASA scientists have, for the first time, detected and pinned down the location of a short gamma-ray burst, lasting only 50 milliseconds.
02.18.05 - Scientists have detected a flash of light brighter than anything ever detected from beyond our Solar System.
01.21.05 - The NASA-led Swift mission has detected and imaged its first gamma-ray burst.
08.21.04 - Learn more about the Swift mission.
NASA Launch Manager Chuck Dovale describes the successful launch and decisions for the short delay.
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Congratulations are offered all around as Swift begins its journey to nimbly seek out fleeting gamma-ray bursts on the fly.
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A superb launch and flawless liftoff for NASA's Swift spacecraft to study the mystery of gamma-ray bursts.
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John Honig, Swift launch site integration manager, describes spacecraft transporation and preparation process.
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