How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at ...

One issue is that when scientists calculate what the Hubble constant should be, it doesn’t quite match observations of the ...

A difference of a few kilometers per second might not sound like much. In cosmology, it has become one of the field’s most ...

Astronomers have finally identified the source of unusual X-rays from the bright star gamma-Cas, resolving a decades-long ...

An international team led by Dr. Indrani Das of Academia Sinica Institute of Astronomy and Astrophysics (ASIAA) has shown, ...

Studying the star, called SDSS J0715-7334, could give astronomers insights into how the universe's first stars were formed ...

Any project, supported or not by a committee, that is currently being worked on or is considered active, and will have an end date. The Committee on Astronomy and Astrophysics (CAA) provides an ...

When I was a teenager in the early 1980s, I realized the potential of using video games in education. The same high school classmates who couldn’t pass a test at school could somehow remember what ...

Breakthroughs in astrophysics could reshape our understanding of the universe in the next decade. Observations of gravity waves could prove Einstein’s theory of general relativity, or tip physics on ...

UCSC has received a five-year, $600,000 grant from the National Science Foundation to support talented but financially needy students pursuing bachelor’s degrees in physics or astrophysics. The Alfred ...