Archived articles

Astrophysics
Faculty news
Johns Hopkins theoretical physicist shares 2021 Gruber Cosmology Prize
Published May 5, 2021
Marc Kamionkowski honored along with two others for work on cosmic microwave background
Illustration of double quasars in galaxies that are merging
Astrophysics
Hubble sees double
Published April 28, 2021
Grad student Hsiang-Chih Hwang helps refine the technique for identifying quasar pairs
Composite image of galaxy formations increasing in heat
Physics+Astronomy
Galaxies have gotten hotter as they've gotten older
Published Nov 10, 2020
As galaxies gather gases through their gravitational pull, they grow larger and heat up, allowing physicists to measure the gradual increase in temperature as a function of the age of the universe
Image of a colorful nebula with a white-hot center
Astrophysics
Johns Hopkins astrophysicists observe long-theorized quantum phenomena
Published July 30, 2020
A team led by students probes the mass-radius relation of white dwarf stars, observing in their data evidence of quantum mechanics and Einstein's theory of general relativity
Spiral galaxy NGC 3147
Astronomy
Hubble finds black hole disk that shouldn't exist
Published July 15, 2019
The presence of a thin accretion disk in malnourished galaxy NGC 3147 defies current astronomical theories
Tim Heckman
Kudos
Heckman receives lifetime achievement award
Published Aug 13, 2018
Physics and Astronomy chair Tim Heckman awarded the Catherine Wolfe Bruce Gold Medal from the Astronomical Society of the Pacific
Crab Nebula
Astrophysics
Hubble's inconsistent constant
Published March 2, 2018
The universe is expanding faster than expected, and cosmologists aren't sure why
The moon appears in a reddish orange glow
Outer space
Super blue blood moon rising
Published Jan 30, 2018
Space Fellow Kirsten Hall sheds light on the three converging lunar events that will take place Wednesday morning and won't reoccur for another 37 years
Image shows a ray of light silhouetting a planet in outer space
Space exploration
What makes a planet a planet?
Published Jan 23, 2018
Astrophysicist proposes an upper size limit on what should be considered planets
Diagram shows a bright light on the left end, then an explosion of particles that rapidly expand in a parabola
Astrophysics
How fast is the universe expanding? Measurements yield different results
Published Jan 11, 2018
Nobel-winning astrophysicist Adam Riess says dark matter behavior could explain calculation discrepancy / BBC News