Black Holes

Chandra’s Verdict on the Demise of a Star: “Death by Black Hole”

This week, astronomers announced the detection of a rare event, a star being torn to shreds by a massive black…

10 years ago

Gravitational Lens Seen for the First Time in Gamma Rays

An exciting new discovery was unveiled early this week at the 223rd  meeting of the American Astronomical Society being held…

10 years ago

Thousands Of Supermassive Black Holes Could Lurk In New X-Ray Data

Supermassive black holes likely are behind most of the nearly 100,000 new X-ray sources plotted by the Swift X-ray Telescope,…

10 years ago

Galaxy May Host ‘Death Spiral’ Of Two Black Holes Becoming One

Two black holes in the middle of a galaxy are gravitationally bound to each other and may be starting to…

10 years ago

Best Evidence Yet for a High-Energy Jet Emanating from the Milky Way’s Black Hole

Jets of high energy particles emanating from a black hole have been detected plenty of times before, but in other…

10 years ago

Delving Into The Mystery Of Black Hole Jets

The concept of a black hole jet isn't a new one, but we still have a lot to learn about…

11 years ago

Sgr A* Could Be a Relic of a Powerful AGN

The early universe was sizzling with active galactic nuclei (AGN) — intensely luminous cores powered by supermassive black holes — most…

11 years ago

Early Supermassive Black Holes First Formed as Twins

It's one of the puzzles of cosmology and stellar evolution: how did supermassive black holes get so... well, supermassive... in the…

11 years ago

ALMA Peers Into Giant Black Hole Jets

Did you ever wonder what it would be like to observe what happens to a galaxy near a black hole?…

11 years ago

Navigating the Cosmos by Quasar

50 million light-years away a quasar resides in the hub of galaxy NGC 4438, an incredibly bright source of light…

11 years ago