Researchers from Penn's Department of Physics and Astronomy have developed a new method for better understanding the relationship between a star's chemical composition and planet formation. The study ...
Astronomers have revealed new details about the make-up and age of a visiting comet that was born around a distant star. They conclude that the composition of 3I/Atlas is strikingly different from any ...
The Neutron-star Interior Composition Explorer (NICER), which NASA recently selected as its next Explorer Mission of Opportunity, will gather scientific data revealing the physics of the densest ...