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NASA’s Newly Renamed Swift Mission Spies a Comet Slowdown

January 11, 2018

Observations by NASA’s Swift spacecraft, now renamed the Neil Gehrels Swift Observatory after the mission’s late principal investigator,…
NASA Missions Catch First Light from a Gravitational-Wave Event

October 17, 2017

For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging…
Mysterious Dimming of Tabby’s Star May Be Caused by Dust

October 5, 2017

One of the most mysterious stellar objects may be revealing some of its secrets at last. Called KIC…
NASA Space Telescopes Pinpoint Elusive Brown Dwarf

November 11, 2016

In a first-of-its-kind collaboration, NASA’s Spitzer and Swift space telescopes joined forces to observe a microlensing event, when…
X-ray Echoes of a Shredded Star Provide Close-up of ‘Killer’ Black Hole

June 23, 2016

Some 3.9 billion years ago in the heart of a distant galaxy, the intense tidal pull of a…
NASA’s SWIFT Spots its Thousandth Gamma-ray Burst

November 9, 2015

NASA’s Swift spacecraft has detected its 1,000th gamma-ray burst (GRB). GRBs are the most powerful explosions in the…
Black Hole Has Major Flare

October 28, 2015

The baffling and strange behaviors of black holes have become somewhat less mysterious recently, with new observations from…
NASA’s Swift Satellite Marks 10 Years of Game-changing Astrophysics

November 21, 2014

Over the past decade, NASA’s Swift Gamma-ray Burst Explorer has proven itself to be one of the most…
NASA’s Swift Mission Probes an Exotic Object: ‘Kicked’ Black Hole or Mega Star?

November 20, 2014

An international team of researchers analyzing decades of observations from many facilities, including NASA’s Swift satellite, has discovered…
NASA’s Swift Mission Observes Mega Flares from a Mini Star

October 1, 2014

On April 23, NASA’s Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen…
NASA’s Swift Satellite Tallies Water Production of Mars-bound Comet

June 20, 2014

In late May, NASA’s Swift satellite imaged comet Siding Spring, which will brush astonishingly close to Mars later…
Watching the cooldown of a neutron star

March 12, 2014

Neutron stars are the final stage of some stars, which typically contain the mass 4 to 8 times greater…
NASA Spacecraft Take Aim At Nearby Supernova

January 27, 2014

An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above…
Swift Catches X-ray Action at Milky Way’s Center

January 9, 2014

Recent observations by NASA’s Swift spacecraft have provided scientists a unique glimpse into the activity at the center…
Swift satellite catches a hundred thousand new cosmic X-ray sources

December 17, 2013

An international team led from the University of Leicester has published a major list of celestial X-ray sources…
Update: Monster gamma-ray burst in our cosmic neighbourhood

November 22, 2013

Gamma-ray bursts are violent bursts of gamma radiation associated with exploding massive stars. For the first time ever,…
Astronomers Uncover a ‘Transformer’ Pulsar

September 26, 2013

An international team of scientists using a fleet of orbiting X-ray telescopes, including NASA’s Swift and Chandra X-ray…
NASA’s Swift Produces Best Ultraviolet Maps of the Nearest Galaxies

June 4, 2013

Astronomers at NASA and Pennsylvania State University have used NASA’s Swift satellite to create the most detailed ultraviolet…
Super-fast Duo: Black Hole and Star Break Speed Records

March 22, 2013

A group of telescopes and astronomers have worked together to help identify a star and a black hole…
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