Deepest X-ray Image Ever Reveals Black Hole Treasure Trove An image from NASA's Chandra X-ray Observatory is giving an international team of astronomers the best look yet at the growth of black holes over billions of years.
Look Up! Your Guide to Some of The Best Meteor Showers for 2017 After a disappointing 2016, when most of the annual major meteor showers were washed out by moonlight, 2017 looks far more promising.
Student Project Captures Images of the Earth’s Curvature A high-altitude weather balloon flight filmed beautiful near-space images while successfully testing tracking systems.
Scientists May Have Finally Pinned Down the Source of a Mysterious Fast Radio Burst The first-ever localization of these elusive bursts pinpoints a galaxy 3 billion light years away, and perhaps a magnetar.
Researchers Get First Look at a New, Extremely Rare Galaxy Less than 0.1% of all observed galaxies are Hoag-type galaxies, and the researchers are stumped by how the rings of the galaxy were formed.
Hubble Gazes at a Cosmic 'Megamaser' The entire galaxy essentially acts as an astronomical laser that beams out microwave emission rather than visible light.
Scientists Plan to Send Greetings to Other Worlds After decades of fruitless scanning the skies for alien messages, scientists say it's time to try a basic rule of etiquette: Say "hello" first.