How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of ...

The Ultraviolet Explorer (UVEX) is a Medium-class Explorer mission that will conduct an all-sky ultraviolet survey. Credit: Caltech WASHINGTON — NASA has selected four mission concepts for additional ...

NASA funded four concept studies for flagship missions for the astrophysics decadal survey. The survey recommended NASA first pursue a large space telescope that would be a hybrid of HabEx (upper ...

The findings suggest that while massive black holes are not required to explain observed data, the presence of intermediate-mass black holes remains entirely plausible.

Time is relative, but some of us still don't have enough of it to fully take in the most salient aspects of such topics as dark matter, exoplanets, the Big Bang, and why so many objects in outer space ...

Propel your career forward with an accredited graduate certificate. Astronomical and Astrophysical observations have entered an era where the data collected by telescopes are undergoing dramatic ...

What are the key scientific challenges for astronomy and astrophysics in the next decade? Pathways to Discovery in Astronomy and Astrophysics for the 2020s identifies the most compelling science goals ...

The mathematicians were trying to extend an illustrious result in their field, the Fundamental Theorem of Algebra. The astrophysicists were working on a fundamental problem in their field, the problem ...

Scientists at the University of Chicago have been unraveling the secrets of the far-flung universe for more than a century, but starting in 2018-19, undergraduates will be able to formally declare a ...

It has been my privilege over the last six years to work on a project that combines an Indigenous Australian perspective of the universe with astrophysics. This has led to an astonishing series of ...