Astrophysics News

05/08/2019

Explosions of Universe’s First Stars Spewed Powerful Jets

Instead of ballooning into spheres, as once thought, early supernovae ejected jets that may have seeded new stars.

04/29/2019

Scientists Measure Half-Life of Element that’s Longer than the Age of the Universe

Beneath Italian mountains, UChicago scientists help catch rare decay of xenon-124

04/16/2019

Variations in the ‘Fogginess’ of the Universe Identify a Milestone in Cosmic History

Islands of cold gas were left behind when the universe heated up after the big bang

04/16/2019

TESS Discovers Its First Earth-Sized Planet

Orbiting a nearby star, the new planet is the smallest identified so far by the TESS mission.

04/10/2019

Astronomers Capture Historic First Image of a Black Hole

South Pole Telescope contributes to observations of black hole in distant galaxy

04/02/2019

How to Use Gravitational Waves to Measure the Expansion of the Universe

Ripples in spacetime lead to new way to determine size and age of the universe.

04/02/2019

Subaru Telescope Helps Determine that Dark Matter is Not Made Up of Tiny Primordial Black Holes

An international team of researchers has put a theory speculated by the late Stephen Hawking to its most rigorous test to date.​

03/26/2019

LIGO and Virgo Resume Search for Ripples in Space and Time

Upgrades to the detectors' lasers, mirrors, and other components will increase their sensitivity of about 40 percent over its last run.​

02/26/2019

Dark Matter May be Hitting the Right Note in Small Galaxies

Dark matter may scatter against each other only when they hit the right energy, say researchers in Japan, Germany, and Austria in a new study.

01/11/2019

Astronomers Observe Evolution of a Black Hole as it Wolfs Down Stellar Material

Halo of highly energized electrons around the black hole contracts dramatically during feeding frenzy.

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