Why Have Pulsars “Gone Missing” – A New Finding Offers Some Answers
New finding offers clues to “missing” pulsars. MSPs, or millisecond pulsars, are evolved neutron stars with brief spin periods that underwent extensive mass transfer during…
Pulsars News
Mysterious Interstellar Plasma Revealed by Twinkling Pulsars
Occasionally pulsars—rapidly-spinning remnants of stars that flash like a lighthouse—show extreme variations in brightness. Astrophysicists predict that these short bursts of brightness occur because dense…
Heaviest Neutron Star Ever Discovered Is a “Black Widow” Devouring Its Mate
Observations of faint, planet-size star help weigh its millisecond pulsar companion. A dense, collapsed star has shredded and consumed nearly the entire mass of its…
Undead Planets: The Bizarre Conditions of the First Exoplanet Detection
30 years ago, the first-ever exoplanets were discovered around a rapidly rotating star, called a pulsar. Now, astronomers have revealed that these planets may be…
Pulsar Discovered Blazing Through the Milky Way at Over a Million Mile per Hour
A young pulsar has been discovered blazing through the Milky Way at a speed of over a million miles per hour. This stellar speedster, witnessed…
Astronomers Discover Evidence for Most Powerful Pulsar in Distant Galaxy
Astronomers analyzing data from the VLA Sky Survey (VLASS) have discovered one of the youngest known neutron stars — the superdense remnant of a massive…
Over a Million Miles per Hour: NASA’s Chandra Catches Pulsar in X-Ray Speed Trap
A pulsar is racing through the debris of an exploded star at a speed of over a million miles per hour. To measure this, researchers…
Astronomers Discover a Mysterious “Black Widow” Binary – With the Shortest Orbit Yet
When a massive star runs out of fuel and collapses, it may leave behind a neutron star. (Unless the leftover mass is too great, in…
MIT Astronomers Discover Mysterious “Black Widow” Binary System
The system, which may have originated near the center of the Milky Way, is orbited by a third stellar companion. The flashing of a nearby…
Strange Galactic Signal Coming From the Center of the Galaxy Has Potential New Explanation
Researchers from The Australian National University (ANU) have found an alternative explanation for a mysterious gamma-ray signal coming from the center of the galaxy, which…
Why Double Neutron Star Systems – Hulse-Taylor Binary Pulsars – Are So Rare
The High Time Resolution Universe Pulsar Survey Double neutron star (DNS) systems in tight orbits are fantastic laboratories to test Einstein’s general theory of relativity….
The Hunt for the Gravitational Wave Background: NASA’s FERMI Searches for Ripples in Spacetime
NASA’s FERMI Satellite Hunts for Extremely Long-wavelength Gravitational-Wave Signals Coalescing supermassive black holes in the centers of merging galaxies fill the universe with low-frequency gravitational…
Tiny Star Unleashes Monstrous Beam of Matter and Anti-Matter
A city-sized collapsed star has generated a beam of matter and antimatter that stretches for trillions of miles. Data from NASA’s Chandra X-ray Observatory revealed…
Tiny Star Unleashes Gargantuan Beam of Matter and Anti-Matter That Stretches for 40 Trillion Miles
Astronomers have imaged a beam of matter and antimatter that is 40 trillion miles long with NASA’s Chandra X-ray Observatory. The record-breaking beam is powered…
Astronomers May Use Pulsars To Detect Merging Supermassive Black Holes
Astronomers have been using gravitational waves to detect merging black holes for years now, but may have to rely on pulsars – rapidly spinning neutron…
Searching for Elusive Continuous Gravitational Waves From the Densest Objects in the Universe
A new international study, led by an Australian researcher from the ARC Centre of Excellence for Gravitational Wave Discovery, searched for elusive continuous gravitational waves…
Challenging Einstein’s Greatest Theory in 16-Year Experiment – Theory of General Relativity Tested With Extreme Stars
Researchers at the University of East Anglia and the University of Manchester have helped conduct a 16-year long experiment to challenge Einstein’s theory of general…
Uncovering the Secrets of Ultra-Low Frequency Gravitational Waves and the Early Development of Our Universe
New methods of detecting ultra-low frequency gravitational waves can be combined with other, less sensitive measurements to deliver fresh insights into the early development of…
