Neutron-Star Merger GW170817 Creates New Mysteries for Astronomers
An international team of scientists reveals in the journal Nature that the neutron-star merger announced in October has solved one mystery, where gold comes from,…
An international team of scientists reveals in the journal Nature that the neutron-star merger announced in October has solved one mystery, where gold comes from,…
When scientists recorded a rippling in space-time, followed within two seconds by an associated burst of light observed by dozens of telescopes around the globe,…
Neutron star collision cooks up exotic elements, gravitational waves When some people get in the kitchen, they create a delicious meal but leave behind a…
Using the NASA/ESA Hubble Space Telescope, astronomers have observed a visible counterpart to gravitational waves for the first time: a kilonova from merging neutron stars….
New research reveals that the center of our Milky Way contains a “trap” that concentrates some of the highest-energy cosmic rays. A combined analysis of…
A newly published study reveals that the mysterious gamma-ray glow at the center of the Milky Way is most likely caused by pulsars, not dark…
New Hubble observations help astronomers determine an accurate age for the Fermi Bubbles and how they came to be. For the supermassive black hole at…
Using NASA’s Fermi Gamma-ray Space Telescope, a team of astronomers has discovered a signal at the center of the neighboring Andromeda galaxy that could indicate…
NASA’s Fermi Gamma-ray Space Telescope has identified the farthest gamma-ray blazars to date, a type of galaxy whose intense emissions are powered by supersized black…
Dive into the Large Magellanic Cloud and see a visualization of LMC P3, an extraordinary gamma-ray binary system discovered by NASA’s Fermi Gamma-ray Space Telescope….
Nearly 10 billion years ago, the black hole at the center of a galaxy known as PKS B1424-418 produced a powerful outburst. Light from this…
Fermi observations are helping researchers gain a much deeper understanding of gravitational waves. On September 14, waves of energy traveling for more than a billion…
Newly published research from the Harvard-Smithsonian Center for Astrophysics suggests that the burst detected by LIGO occurred because the two black holes lived and died…
Using the VERITAS array, astronomers have detected gamma rays from a blazar known as PKS 1441+25. The research shows that the source of the gamma…
Using NASA’s Fermi Gamma-Ray Space Telescope, a team of astronomers has discovered the first gamma-ray pulsar in a galaxy other than the Milky Way. The…
Using NASA’s Fermi Gamma-ray Space Telescope, a team of astronomers has discovered hints of periodic changes in brightness in blazar PG 1553+113, whose emissions are…
Astronomers used the magnifying effect of the stars to ‘zoom in’ on galaxy PKS 1830-211, revealing very small structures in the distant galaxy. The Integral,…
NASA scientists are expecting high-energy explosions when pulsar J2032 swings around its massive companion star and plunges through a disk of gas and dust surrounding…