Astronomy

Two University of Arizona researchers involved in NASA's Parker Solar Probe mission are excited about the spacecraft's first close encounters with the sun.

Ewen Whitaker identified the correct location of the Surveyor 3 landing site, making NASA's demonstration of a pinpoint landing of Apollo 12 possible.

Researchers discovered a mechanism that could explain why planetary nebulae are teeming with unseemingly complex carbon molecules.

The signing of the contract for producing the massive support structure that will hold the seven mirrors manufactured at the University of Arizona marks a major step toward completion of the next-generation ground-based telescope that promises to revolutionize our understanding and view of the universe.

DESI is an unprecedented effort to map millions of galaxies and quasars to better understand the nature of dark energy – the mysterious force that has pulled the universe apart since the Big Bang.

Researchers have discovered a region just beyond Jupiter that acts as a "comet gateway," funneling icy bodies from deep space into the inner solar system.

The early universe is filled with monsters, a new study reveals. Researchers discovered a previously invisible galaxy, and perhaps a new galaxy population waiting to be discovered.

Astronomy Prof Peter Behroozi was awarded a Packard Fellowship to get to the bottom of a long-standing mystery: How could supermassive black holes grow so big so quickly after the Big Bang?

Volcanism has always intrigued humanity. Less than 50 years ago, scientists discovered cryovolcanism – ice volcanoes on other worlds. Now, researchers may have identified volcanoes of molten metal.

University of Arizona researchers are using the Catalina Sky Survey’s near-Earth object telescopes to locate the optical counterparts to gravitational waves triggered by massive mergers.