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Astronomers Find Wandering Massive Black Holes in Dwarf Galaxies
Astronomers Find Wandering Massive Black Holes in Dwarf Galaxies
January 5, 2020 at 3:30 pm | News Release

Studies with the VLA indicate that roughly half of the massive black holes in dwarf galaxies are not in the centers of those galaxies. This gives astronomers new insights into the conditions in which similar black holes formed and grew in the early history of the Universe.

IMAGE RELEASE: Giant Magnetic Ropes in a Galaxy’s Halo
IMAGE RELEASE: Giant Magnetic Ropes in a Galaxy’s Halo
November 26, 2019 at 8:00 am | News Release

VLA image reveals a large-scale magnetic field extending far into a galaxy’s extended halo.

A Weakened Black Hole Allows its Galaxy to Awaken
A Weakened Black Hole Allows its Galaxy to Awaken
November 18, 2019 at 1:00 pm | News Release

Astronomers have found the first example of a galaxy cluster where large numbers of stars are being born at its core. The discovery revealed new details of how supermassive black holes affect their host galaxies.

New Method May Resolve Difficulty in Measuring Universe’s Expansion
New Method May Resolve Difficulty in Measuring Universe’s Expansion
July 8, 2019 at 11:00 am | News Release

Radio telescope observations have made it possible for astronomers to use mergers of neutron-star pairs as a valuable new tool for measuring the Universe’s expansion.

Illustration of the accretion disk around a black hole.
The Giant In Our Backyard
April 16, 2019 at 9:55 am | News Feature

For decades astronomers have dreamed of seeing a black hole. That dream may soon become a reality.

VLA Makes First Direct Image of Key Feature of Powerful Radio Galaxies
VLA Makes First Direct Image of Key Feature of Powerful Radio Galaxies
April 2, 2019 at 1:19 pm | News Release

A dusty, doughnut-shaped feature long thought to be an essential part of the “engines” at the cores of active galaxies, is seen for the first time in one of the most powerful galaxies in the Universe.

Pulsar escaping SNR
Astronomers Find “Cannonball Pulsar” Speeding Through Space
March 19, 2019 at 12:00 pm | News Release

VLA image shows the trail of a speeding pulsar pointing directly back at the center of the debris shell from the supernova explosion that created it.

Artist's conception of a gamma ray burst
Astronomers Study Mysterious New Type of Cosmic Blast
January 10, 2019 at 7:10 pm | News Release

Astronomers have studied a perplexing cosmic blast with a worldwide collection of telescopes, including ALMA and the VLA, but still are not sure exactly what it is.

Artist's conception of a gamma ray burst
VLA Sky Survey Reveals First “Orphan” Gamma Ray Burst
October 4, 2018 at 10:00 am | News Release

Comparing data from new, ongoing sky survey to data from previous observations reveals probable gamma ray burst that directed no gamma rays toward Earth.

Artist's conception of neutron star
VLA Discovers Powerful Jet Coming from “Wrong” Kind of Star
September 24, 2018 at 4:31 pm | News Release

The VLA’s discovery of a jet of material launched from a highly-magnetic neutron star has forced rethinking a longstanding theory.

Showing results 51 - 60 of 228