Pulsars
The Heaviest Neutron Star Ever Seen Got There by Feasting on its Companion
Life's not too good if you're the companion of a black widow. Here on Earth, spiders by that name feast…
A Pulsar and Star are Orbiting Each Other Every 62 Minutes. The Fastest “Black Widow” Binary Ever Seen
Caption: An illustrated view of a black widow pulsar and its stellar companion. The pulsar’s gamma-ray emissions (magenta) strongly heat…
Pulsars Could Explain the Excess of Gamma Radiation Coming from the Center of the Milky Way
A gamma-ray view of the sky centered on the core of the Milky Way Galaxy. Could strange spinning neutron stars…
A Pulsar is Blasting out Jets of Matter and Antimatter
Why is there so much antimatter in the Universe? Ordinary matter is far more plentiful than antimatter, but scientists keep…
Astronomers Scan 800 Pulsars to See If Any of Them Have Planets
Astronomers discovered the first exoplanets in 1992. They found a pair of them orbiting the pulsar PSR B1257+12 about 2300…
Twin Stars Prove Einstein at Least 99.99% Right
A 16-year study by an international team of astronomers has confirmed Einstein's Theory of General Relativity and witnessed some predicted…
Astronomers can use Pulsars to Measure Tiny Changes of Acceleration Within the Milky Way, Scanning Internally for Dark Matter and Dark Energy
Dark matter within our galaxy is difficult to map, but a team of astronomers has used pulsars to measure its…
Astronomers Measure a 1-billion Tesla Magnetic Field on the Surface of a Neutron Star
We recently observed the strongest magnetic field ever recorded in the Universe. The record-breaking field was discovered at the surface…
Why Pulsars Are So Bright
When pulsars were first discovered in 1967, their rhythmic radio-wave pulsations were a mystery. Some thought their radio beams must…
A Star Has Been Found That Pulsates, But Only on One Side
An international team of astronomers have found the first-ever example of a pulsating star that emits energy from only one…