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This artist’s concept shows what exoplanet K2-18 b could look like based on science data. K2-18 b, an exoplanet 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the habitable zone and lies 120 light-years from Earth.

Are there signs of life on alien planet K2-18b, or is it just a lot of hot air?

The James Webb Space Telescope may have detected life-associated gas in the atmosphere of a far-off planet. The news is being greeted with both enthusiasm and skepticism.
This is the first confirmed live observation of the colossal squid, Mesonychoteuthis hamiltoni, in its natural habitat. The team on Schmidt Ocean Institute's Research Vessel Falkor captured footage of the nearly one foot squid at a depth of 1,968 feet, using their remotely operated vehicle "SuBastian" on March 9, during an Ocean Census flagship expedition searching for new marine life.

A colossal squid is filmed in its natural habitat for the first time

Colossal squid are known to be elusive and likely avoid the bright and loud research equipment used underwater.
Al is one of the former research chimpanzees recently moved to a chimp sanctuary in Louisiana.

Aging former research chimps move to Chimp Haven

All of the former research chimpanzees that had been living on an Air Force base in New Mexico have finally arrived at a sanctuary in Louisiana. Many of these chimps are in their 50s and 60s.
Romulus and Remus, the pups with dire wolf traits that were bred by Colossal Biosciences, are pictured at three months old.

A biotech company says it has bred three pups with traits of the extinct dire wolf

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA.
On neurosurgeon Allan Hamilton's ranch, horses help medical students improve their bedside manner and nonverbal communication skills.

The unique genetic change that turned horses into athletic powerhouses

Horses are exceptional athletes, able to push their large bodies farther and faster than many other animals.
Narwhal whales live in social groups called pods and live in the Arctic ocean. Experts disagree on the purpose of males' tusks.

Does the narwhal's famous tusk help it catch fish?

Intriguing video of narwhals using their tusks to mess with fish has scientists speculating about what this behavior might mean.
The University of Arizona was the first four-year public university in the state of Arizona to be federally recognized as a Hispanic Serving Institution (HSI).

Trump's DEI ban could take $800 million from Arizona universities

Affected grants cover wildfires, pollution, public health and more.
Radio telescopes based in New Mexico scan for communication from alien civilizations.

UA Science lecture series returns for its 20th year

The presenters will focus on topics combinng science and communication.
A drone shoot showing the words 'Bear Down' painted across the top of the Bear Down Gym on the campus of the University of Arizona.

UA College of Science lecture series begins Thursday

Communication is the theme for 2025's presenters.

Rogue Theatre's "Marjorie Prime" creates a conversation about what it means to be human in the age of AI.

Also on Arizona Spotlight: Understanding canyons on the moon; and more voices from The Class of 2024.
Bobcats in the wild.

Meet your feisty neighborhood felines in the Tucson area

Bobcats (Lynx rufus) are surviving and flourishing in urban settings, despite real challenges.
Two grand canyons on the moon radiating from the Schrödinger impact basin, from a view that looks obliquely across the lunar surface, like an astronaut in an approaching spacecraft.

The moon's grand canyons were carved in the blink of an eye

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
A view of the outside of the OSIRIS-REx sample collector. Sample material from asteroid Bennu can be seen on the middle right. Scientists have found evidence of both carbon and water in initial analysis of this material. The bulk of the sample is located inside.

First big results from OSIRIS-REx revealed

The ingredients for life were found on the asteroid.
A Louisiana aquarium has a new star — and a mystery — on its hands after a baby shark was born in a habitat without any males.

This shark pup was born in a habitat without any males. How did that happen?

Yoko the baby swell shark was born on Jan. 3, some eight months after her egg was discovered in a tank with that only housed other female sharks.
Skull of Sabre-Toothed Tiger - Museum of Anthropology - La Paz - Baja California Sur - Mexico. 2015

Saber teeth in predators evolved many times. Did it lead to their extinction?

A new analysis suggests saber teeth were highly specialized for puncturing prey, ultimately at the cost of durability.

World’s Fastest Electron Microscope

The Guinness World Record for developing the world’s fastest electron microscope now belongs to the Associate Professor of Physics and Optical Sciences, Mohammed Hassan.

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