The First Image of a Black Hole
The Event Horizon Telescope has observed the supermassive black hole at the center of M87, producing the first-ever image of a black hole and marking the beginning of a new era in astronomy.
What does a neutron star actually look like?
Ever wondered what a neutron star would look like up close? Here is your answer!
BepiColombo blasts off in pursuit of Einstein
A joint European and Japanese mission to Mercury sets off to answer questions about the planet’s geology, magnetosphere, and to try and prove Einstein wrong.
Gravitational Redshift and the Pup: Measuring the Mass of Sirius B
Measuring a white dwarf’s gravitational redshift can help us figure out its mass, but for one of the closest stars to us (Sirius B) the numbers didn’t match with other methods. Today’s paper investigates the discrepancy.
Photons from the “Dark Side” of Neutron Stars Could Help Unravel a Supernuclear Mystery
What can we learn from a compact object that shows us all of its sides simultaneously?
Testing the Limits of Gravity at Mercury
By studying the precise movements of NASA’s MESSENGER spacecraft around Mercury we can constrain some of the fundamental parameters of general relativity.