Astronomers using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) have found a remarkable source of X-rays in NGC 6946, a spiral galaxy located...
Astronomers have re-examined data from GRB 160821B, a short duration gamma-ray burst spotted on August 21, 2016, and found evidence for a kilonova, an...
Pulsars are rapidly rotating neutron stars observed to have pulses of radiation at very regular intervals that typically range from milliseconds to seconds....
The Hubble constant measures the current expansion rate of our Universe and plays a fundamental role in cosmology: it can be used to determine the Universe’s...
On April 25 and 26, 2019, NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) and the European-based Virgo detector registered two new gravitational...
According to new research published in the journal Physical Review Letters, charged particles traveling through empty space can emit Cherenkov radiation...
According to new research, a nearby binary neutron-star merger gave birth to 0.3% of the Earth’s heaviest elements, including gold, platinum and uranium;...
A distant relative to GW170817, the first source identified to emit gravitational waves and light, has been discovered. Reported in the journal Nature...
Astronomers using NSF’s Karl G. Jansky Very Large Array have discovered a fast-moving jet of material propelled outward from a strongly magnetized neutron...
An international team of researchers from McGill University, California Institute of Technology and Indiana University has calculated the strength of nuclear...
An unusual infrared emission from the neutron star RX J0806.4-4123 detected by the NASA/ESA Hubble Space Telescope could indicate new features never before...
Radio observations using a combination of NSF’s Very Long Baseline Array, the Karl G. Jansky Very Large Array and the Robert C. Byrd Green Bank Telescope...
A study conducted by an international consortium called the CLAS Collaboration, made up of 182 members from 42 institutions in 9 countries, has confirmed...
In a new test of Einstein’s theory of gravity, a group of astronomers from the Netherlands, the United States, Australia and Canada has demonstrated...
A new study using X-ray data from NASA’s Chandra X-ray Observatory indicates that the neutron star merger that became the gravitational wave source,...
The proton, one of the components of atomic nuclei, is composed of fundamental particles called quarks and gluons. A team of physicists at the Department...
Astronomers using NASA’s Neutron star Interior Composition Explorer (NICER) have found evidence that an accreting millisecond X-ray pulsar called IGR...
