Scientists once thought the early universe didn't make them.

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

For more than a decade, cosmology has been stuck with a puzzling contradiction. Two ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

There is a way out of this trap, but it requires a fundamental shift in how NASA thinks about astrophysics procurement. It is time to stop buying hardware and start subscribing to outcomes. It is time ...

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

If you are into planets and also like to get up pre-dawn (much easier in the Northern hemisphere now that it is winter here), ...

The B.S. in astronomy & astrophysics at UW offers students an adventurous course of study in astronomical objects—from stars to black holes to solar systems—and their properties and functions. The ...

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 ...