LPL Spotlight Stories

Comet C/2021 A1 (Leonard) is seen next to globular star cluster M3 in this image taken by Adam Block at UArizona's Mount Lemmon Sky Center. Adam Block/Steward Observatory/University of Arizona

Here's How to See Comet Leonard, According to the UArizona Researcher Who Discovered It

The brightest comet of the year, named "Leonard" after the UArizona researcher who discovered it, is paying one last visit to Earth's neighborhood this month, before leaving the solar system forever.

Near-Earth Asteroid Might be a Lost Fragment of the Moon

A team of UArizona-led researchers think that the near-Earth asteroid Kamo`oalewa might actually be a miniature moon.
Artist's Concept of OSIRIS-REx's return to Earth with a sample from asteroid Bennu in September 2023. NASA/Goddard/CILabs

UArizona Ranked in Top 10 for Space Science on Latest US News Best Global Universities List

The University of Arizona has once again been recognized as one of the world's top 100 research institutions by U.S. News & World Report.

 OSIRIS-REx mission scientists thought sampling a piece of Bennu would be like a walk on the beach, but the surprisingly craggy surface proved to be more of a challenge. NASA/Goddard/University of Arizona

Highly Porous Rocks Responsible for Bennu's Surprisingly Craggy Surface

Using data from NASA OSIRIS-REx mission, a University of Arizona-led team of scientists concluded that asteroids with highly porous rocks, such as Bennu, should lack fine-grained material on their surfaces.
An artist impression of a close flyby of the metal-rich near-Earth asteroid 1986 DA. Astronomers using the NASA Infrared Telescope Facility have confirmed that the asteroid is made of 85% metal. Addy Graham/University of Arizona

'Mini Psyches' Give Insights into Mysterious Metal-Rich Near-Earth Asteroids

New research into metal-rich asteroids reveals information about the origins and compositions of these rare bodies that could one day be mined.

 Artist's illustration of two massive objects colliding.

Earth and Venus Grew up as Rambunctious Planets

What doesn't stick comes around: Using machine learning and simulations of giant impacts, researchers at the Lunar and Planetary Laboratory found that the planets residing in the inner solar systems were likely born from repeated hit-and-run collisions, challenging conventional models of planet formation.
In 2135, asteroid Bennu will make a close flyby of Earth. Our planet's gravity will tweak Bennu's path, making it a challenge to calculate its future trajectory. During the flyby, Bennu has an extremely small chance of passing through a gravitational keyhole that would set it on a path to impact Earth late in the 22nd century. NASA/Goddard

OSIRIS-REx Improves Understanding of Potentially Hazardous Asteroids

NASA and UArizona scientists were able to significantly reduce uncertainties about asteroid Bennu's orbit and determine the likelihood of the asteroid impacting Earth between now and the year 2300.

Mars Lake Hypothesis on Ice After Study Offers Different Explanation

Scientists have long debated what's under the surface of Mars' south pole. A new study points to clays being more likely than a subsurface lake.
Artist’s illustration of the early solar system, at a time when no planets had formed yet. A swirling cloud of gas and dust surrounded the young sun. The cutaway through this so-called protoplanetary disk shows its three-dimensional structure.

Researchers Trace Dust Grain's Journey Through Newborn Solar System

Combining atomic-scale sample analysis and models simulating likely conditions in the nascent solar system, a new study reveals clues about the origin of crystals that formed more than 4.5 billion years ago.
An artist’s concept of asteroid 16 Psyche. Maxar/ASU/P.Rubin/NASA/JPL-Caltech

Asteroid 16 Psyche Might Not Be What Scientists Expected

New UArizona research finds that the target asteroid of NASA's Psyche mission may not be as metallic or dense as previously predicted.