Paul M. Sutter
Astronomers Prepare for the Next Thousand Years of Hazardous Asteroid Impacts
It is as inevitable as the rising of the Sun and the turning of the tides. Someday another large rock…
Astronomers Find a “Red Nova”: A Main-Sequence Star Just Eating its Planet
Back in 2020 astronomers observed a Red Nova, which while enormously powerful, is on the low side of energetic events…
What Cassini’s “Grand Finale” Taught Us About Saturn’s Interior
Six years ago the Cassini spacecraft, which had spent nearly two decades in orbit around Saturn, finished its mission with…
Black Holes Might be Defects in Spacetime
A team of theoretical physicists have discovered a strange structure in space-time that to an outside observer would look exactly…
This Star Might be Orbiting a Strange “Boson Star”
A team of astronomers has claimed that observations of a sun-like star orbiting a small black hole might actually be…
Dark Matter Can Make Dark Atoms
A team of theoretical astrophysicists have studied in detail a hypothetical form of dark matter that combines to form dark…
We Might be able to Find Evidence for Modified Gravity…in the Earth
Testing the possibility of models of gravity different from general relativity may be closer to home than we think. A…
Primordial Black Holes May Have “Frozen” the Early Universe
Primordial holes formed in the exotic conditions of the big bang may have become their own source of matter and…
Mother of Dragons: Astronomers Peer Inside the “Dragon Cloud”
How did the most massive stars form? Astronomers have debated their origins for decades. One of the biggest problems facing…
The First Radiation Map of the Skies Over Africa
Astronomers have developed a way to cheaply and easily measure the radiation exposure experienced by airline crews over Africa. (more…)