Spontaneous Magnetic Reversal of Monster Black Hole Sparks Enigmatic Outburst
NASA’s Swift Observatory Tracks Potential Magnetic Flip of Monster Black Hole A rare and enigmatic outburst from an active galaxy 236 million light-years away may…
NASA Swift Satellite
NASA’s Swift Observatory in Safe Mode – Team Investigating Possible Reaction Wheel Failure
On the evening of Tuesday, January 18, 2022, NASA’s Neil Gehrels Swift Observatory entered into safe mode, suspending pointed science observations. The mission team is…
Black Hole at Center of Milky Way Is Unpredictable and Chaotic – Mysterious Flares Erupt Every Day
An international team of researchers, led by postgraduate student Alexis Andrés, has found that the black hole at the center of our galaxy, Sagittarius A*,…
The Strange Afterglow of a Gamma-Ray Burst – Unusual Features Challenge Models
Using the H.E.S.S. observatory, researchers at GRB 190829A observe unusual features that challenge models. Researchers from the H.E.S.S. Collaboration succeeded to derive the intrinsic spectrum…
Best View Yet of Exceptional Cosmic Explosion – Challenges Established Theory of Gamma-Ray Bursts in the Universe
Observation challenges established theory of gamma-ray bursts in the universe. Scientists have gained the best view yet of the brightest explosions in the universe: A…
NASA’s Swift Helps Tie “Ghost Particle” to Star-Shredding Black Hole
For only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based…
NASA Investigates an “Old Faithful” Active Galaxy That Erupts Every 114 Days
During a typical year, over a million people visit Yellowstone National Park, where the Old Faithful geyser regularly blasts a jet of boiling water high in…
Swift, TESS Catch Eruptions from an Active Galaxy [Video]
Using data from facilities including NASA’s Neil Gehrels Swift Observatory and Transiting Exoplanet Survey Satellite (TESS), scientists have studied 20 instances and counting of regular…
New Era in Gamma-Ray Science with NASA Fermi, Swift Missions
A pair of distant explosions discovered by NASA’s Fermi Gamma-ray Space Telescope and Neil Gehrels Swift Observatory has produced the highest-energy light yet seen from…
Swift Mission Views an Unprecedented Change in the Rotation of Comet 41P
Observations by NASA’s Swift spacecraft, now renamed the Neil Gehrels Swift Observatory after the mission’s late principal investigator, have captured an unprecedented change in the…
Artist’s Rendering of Tidal Disruption Event ASASSN-14li
This artist’s rendering shows the tidal disruption event named ASASSN-14li, where a star wandering too close to a 3-million-solar-mass black hole was torn apart. The…
NASA Scientists Detect First Light from a Gravitational-Wave Event
This animation captures phenomena observed over the course of nine days following the neutron star merger known as GW170817. They include gravitational waves (pale arcs),…
Astronomers View One of the Most Luminous White Dwarf Eruptions Ever Seen
Using the Swift Satellite Observatory, scientists reveal what was likely the most luminous white dwarf eruption ever seen. Astronomers have today announced that they have…
New Research Reveals Dimming of Tabby’s Star May Be Caused by Dust
Using NASA’s Spitzer and Swift missions, as well as the Belgian AstroLAB IRIS observatory, astronomers reveal new details on one of the most mysterious stellar…
Astronomers Model Extreme Jet Ejections from Black Hole X-Ray Binary V404 Cygni
In a new study, astronomers modeled observations of the black hole X-ray binary V404 Cygni during the most active phase of its June 2015 outburst….
NASA’s NuSTAR Telescope Shows Merging Galaxies Have Enshrouded Black Holes
Using NASA’s NuSTAR telescope, a team of astronomers reveals that in the late stages of galaxy mergers, so much gas and dust falls toward a…
NASA’s Swift Reveals a Star’s Plunge into a Black Hole
Using observations from NASA’s Swift satellite, a team of astronomers detail the tidal disruption event named ASASSN-14li. Some 290 million years ago, a star much…
Spitzer and Swift Observe Microlensing Event, Pinpoint Brown Dwarf
Using NASA’s Spitzer and Swift Space Telescopes, astronomers discovered a brown dwarf when it and its star passed between Earth and a much more distant…
