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February 29, 2024

Leap day places calendars back in sync

Scientists say the calendar quirk puts the Earth's rotation and trip around the Sun in the proper order.
Spiral galaxy NGC 1300, 69 million light years from Earth. Imaged by from NASA's James Webb Space Telescope,

James Webb Space Telescope reveals views of spiral galaxies

Scientists are getting new information about our own Milky Way.
Exotic exoplanets will be discussed in one of the presentations at the College of Science Lecture Series.

Previewing UA's 2024 College of Science Lecture Series

Presenters will reveal unexpected findings that transformed their fields.
First image of a black hole released in 2022.

Black holes continue to raise questions about basic physics

The mere existence of the objects was only theoretical 100 years ago.
Asteroid approaches Earth's atmosphere.

Asteroid hunters welcome Arizona citizen scientists to scan the sky

Catalina Sky Survey wants to find dangerous near-Earth objects "before they find us."
James Webb Space Telescope

UA among schools claiming the mantle of "Space U."

A dozen U. S. colleges and universities are emphasizing their dedication to space science research.
OSIRIS-REx sample return capsule after touchdown in Utah September 24.

UA students share in OSIRIS-REx success

They are taking a role developing experiments on the sample brought back from Bennu.

Stargazing marvel: Saguaro National Park earns Urban Night Sky certification

International Dark-Sky Association taps park to join its cosmic club
Illustration of Kamo'oalewa asteroid accompanying Earth and the Moon in solar orbit.

UA scientists explore asteroid link to the Moon

The space rock carries the same characteristics as lunar material brought back by the Apollo astronauts.
Moon rocks from the Apollo era being studied at NASA's astrobiology lab in Houston, TX.

University of Arizona opens new astrobiology center

It keeps UA at the forefront of research about objects gathered from space.
A photo of the solar eclipse from August 2017, taken on the University of Arizona campus.

“Ring of Fire” solar eclipse coming Saturday morning

The peak annular eclipse will happen in Tucson at 9:33 a.m on Oct. 14.
Illustration of Psyche spacecraft in orbit.

Psyche asteroid mission ready to launch

The latest flight to a space rock will explore an asteroid with an exposed metallic core.
The sample return capsule from Osiris REx after parachuting into the Utah desert.

The Buzz: OSIRIS-REx delivers its payload

The decades-running space mission dropped a sample from the asteroid Bennu Sunday, kicking off the next phase of the project.
The sample return capsule from Osiris REx after parachuting into the Utah desert.

OSIRIS-REx successfully returns sample capsule to Earth

The landing ended a seven year mission to the asteroid Bennu and back.
Illustration of Osiris REx sample return capsule re-entering Earth's atmosphere.

Osiris REx asteroid sample set for fast, fiery return to Earth

The mission's final stage will mark the end of a seven-year journey to Bennu and back.
Illustration of NASA's Psyche spacecraft approaching the asteroid 16 Psyche in 2029.

Launch date approaches for long-awaited mission to a metal-marked asteroid

NASA's Psyche spacecraft has ASU ties.

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