More Planetary Science Stories

Space scientists amazed at the newest photos of Jupiter's volcanic moon Io

NASA's Juno spacecraft grabbed the pictures while orbiting Jupiter last month.

University of Arizona opens new astrobiology center

It keeps UA at the forefront of research about objects gathered from space.

“Ring of Fire” solar eclipse coming Saturday morning

The peak annular eclipse will happen in Tucson at 9:33 a.m on Oct. 14.

OSIRIS-REx brings home largest carbon rich sample

NASA revealed its preliminary findings Wednesday morning.

Last mirror for world’s biggest telescope begins construction at University of Arizona

The mirror for the Giant Magellan Telescope will begin its laborious construction process this week.

OSIRIS-REx successfully returns sample capsule to Earth

The landing ended a seven year mission to the asteroid Bennu and back.

Why asteroids are the hottest objects for exploration in the solar system

Osiris REx is among a group of spacecraft aimed at discovering new information about space rocks.

The Buzz: What to expect when OSIRIS-REx returns to Earth

The seven-year mission to harvest samples of an asteroid is months from completion, and scientists are ready for the next step.

Four-person crew released from sealed habitat after week long journey

The crew studied what it would be like to live and work on another planet inside a pressurized habitat.

Robotic exploration of the outer planets began 50 years ago.

The University of Arizona joined in the first missions to Jupiter and Saturn.

New $85 million home for UA's Space Institute unveiled

The building first broke ground in 2021.

ASU scientist prepares to run first-ever planetary mission to a metal world

16 Psyche robotic spacecraft is scheduled to launch later this year.

Winter solstice: Why isn't the shortest day of the year in the deepest part of winter?

It may be the day with the fewest hours of sunshine for the global north, but there is another source of heat to consider.

The Buzz: Winter Solstice Celebrations

The importance of the shortest day of the year in cultures around the world.

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