Astronomy

The new NEID instrument, designed to measure the motion of nearby stars with extreme precision, has obtained "first light" and is ready to embark on its quest to characterize exoplanets as small as Earth.

The OSIRIS-REx mission team evaluated four candidate sites and identified site Nightingale as the best option for the sample collection, with site Osprey named as the backup.

Professor Amy Mainzer of the Lunar and Planetary Laboratory will provide technical leadership for the projected Near-Earth Object Surveillance Mission, which will include the NEO Surveyor spacecraft.

The sun is revealing itself in dramatic detail and shedding light on how other stars may form and behave throughout the universe. University of Arizona researchers involved in the mission report exciting findings from the Parker Solar Probe's first close encounters with our very own star.

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.