Brian Koberlein

Brian Koberlein is an astrophysicist and science writer with the National Radio Astronomy Observatory. He writes about astronomy and astrophysics on his blog. You can follow him on YouTube, and on Twitter @BrianKoberlein.

Astronomers are Losing the Night Sky (and Radio Sky) to Satellite Megaconstellations

At the end of 2023, there were more than 5,000 satellites orbiting Earth, with 10s of 1000s more on the…

2 days ago

A Dragon Reveals Individual Stars From A Time When the Universe Was Half Its Present Age

It's nearly impossible to identify individual stars billions of light years away. But thanks to gravitational lensing, astronomers have identified…

4 days ago

This Fast Radio Burst Definitely Came From a Neutron Star

Since the first fast radio burst (FRB) was discovered in 2007, astronomers have been puzzling over their source. These bright…

1 week ago

Could Habitable White Dwarf Planets Retain Their Oceans? Maybe.

Some white dwarfs have planets, but to be habitable worlds they would need to hold on to their oceans during…

1 week ago

The Webb Captures Spectra of Trans-Neptunian Objects, and Reveals a History of Our Solar System

Trans-Neptunian Objects are the icy remnants of our early solar system. Part of their history can be found in the…

1 week ago

New Study of Supernovae Data Suggests That Dark Energy is an Illusion

Dark energy is central to the standard model of cosmology, but the Timescape model suggests dark matter doesn't exist.

1 week ago

Neutron Stars With Less Mass Than A White Dwarf Might Exist, and LIGO and Virgo Could Find Them

Theoretically a neutron star could have less mass than a white dwarf. If these light neutron stars exist, we might…

2 weeks ago

How Did Black Holes Grow So Quickly? The Jets

A current mystery in astronomy is how supermassive black holes gained so much heft so early in the Universe. Black…

3 weeks ago

Building the Black Hole Family Tree

Many of the black holes astronomers observe are the result of mergers from less massive black holes. Using gravitational waves,…

3 weeks ago

A Binary Star Found Surprisingly Close to the Milky Way's Supermassive Black Hole

Astronomers have already discovered many stars orbiting the supermassive black hole at the heart of the Milky Way, Sgr A*.…

3 weeks ago