Archived articles

Astrophysics

A map of the universe
Astronomy
This new interactive map lets you scroll through the universe
Published Nov 17, 2022
New map of the universe displays for the first time the span of the entire known cosmos with pinpoint accuracy, sweeping beauty
A Hubble image of the quasar and the same area viewed with the James Webb Space Telescope. The Webb image shows multiple galaxies coalescing, with each color representing a different velocity: Red is moving away from us. Blue is moving toward us.
Astronomy
Webb reveals unprecedented glimpse of merging galaxies
Published Oct 20, 2022
The findings by Johns Hopkins University and an international team offer an unprecedented opportunity to observe how billions of years ago galaxies coalesced into the modern universe
Charles Bennett
Faculty honors
Astrophysicist Chuck Bennett earns prestigious Rumford Prize
Published Jan 13, 2022
Bennett led the Wilkinson Microwave Anisotropy Probe, which 'transformed our view of the universe'; he will be recognized in a ceremony next month
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