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Stories from Sara Hashemi

An artist's rendition of an imploding star, surrounded by expelled gas and dust shown in red

A Star Suddenly Brightened, Then Faded Into Darkness. Astronomers Say It May Have Turned Into a Black Hole

If confirmed, this disappearing act might provide the closest and best observational evidence for the birth of a black hole

Seabird poop, along with food waste, feathers and carcasses, accumulates as guano, which is prized as a nutrient-rich fertilizer.

Seabird Poop May Have Fueled This Pre-Inca Kingdom’s Rise to Power in South America

The Chincha Kingdom used nutrient-rich seabird guano as fertilizer for maize, according to a new study

Rhesus macaques at the Oregon National Primate Research Center

A Massive Monkey Research Center Might Turn Into a Primate Sanctuary. Animal Activists Rejoice, While Scientists Worry

The Oregon National Primate Research Center will explore a potentially federally supported transition with the National Institutes of Health

A gray wolf in California.

A Gray Wolf Visited Los Angeles County for the First Time in a Century, Marking a Major Milestone in the Species’ Recovery

The 3-year-old female wolf, called BEY03F, is probably looking for a mate

HPV testing is crucial for cervical cancer prevention, but many people miss their exams. 

Testing Menstrual Blood for HPV Might Provide a Less Invasive Way to Screen for Cervical Cancer, a New Study Suggests

While the method shows promise, some experts say that other self-collection devices are more readily available

Larvae of the European black oil beetle, which are orange, ride bees to their nests and then chow down on bee eggs.

These Parasitic Beetles Mimic the Smell of Flowers So They Can Trick Bees and Raid Their Nests, New Research Suggests

They might be the first animals known to fake a floral scent

A giant phantom jelly documented by a recent deep-sea expedition

See a Rare, Bus-Size Giant Phantom Jelly Wade Through Ocean Waters Off the Coast of Argentina

A recent deep-sea expedition along the country’s entire length documented the jellyfish, along with a surprising number of other species

After exposing an ant to the air pollutant ozone, its nestmates acted aggressively toward it.

Air Pollution Can Cause Some Ants to Turn on One Another—and Neglect Their Young, New Research Suggests

The findings further hint that air pollution, particularly ozone, is contributing to the “insect apocalypse”

The JADES-ID1 protocluster

Astronomers Spot a Huge Cluster of Galaxies Forming Earlier in Cosmic History Than Thought Possible

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun

A combination of warm weather, torrential rain and a recent dry spell probably contributed to the low snowpack.

Snow Drought Hits the Western United States, Worrying Experts About the Region’s Water Supply

Snow melt from the mountains provides up to 75 percent of the West’s yearly water

Surgeons removed the patient's failing lungs and temporarily replaced them with an artificial version, saving his life.

Artificial Lungs Kept a Dying Man Alive For 48 Hours—Until He Was Well Enough to Receive an Organ Transplant

The patient is faring well nearly three years later, thanks to the life-saving device

The human genome is made up of about three billion pairs of DNA units called nucleotides.

Google Researchers Say Their New A.I. Tool AlphaGenome Can Help Decode the Human Genetic Instruction Book

The computer model might help scientists better understand the biological impacts of typos in DNA

Researchers traced a pathway between the heart and the brain.

After a Heart Attack, the Brain’s Response Might Make Recovery Harder. Cutting Some Communication Between the Organs Could Help

The new study in mice could lead to innovative treatments for heart attacks

An image containing nearly 800,000 galaxies from NASA's James Webb Space Telescope, overlaid with dark-matter clumps shown in blue

See the Most Detailed Map of Dark Matter Ever Made, Bringing Astronomers a Step Closer to Unraveling Its Mysterious Nature

The invisible stuff makes up about 85 percent of all matter in the universe, but researchers know little about it

The Valles Marineris canyon system, where the scientists focused their study

Three Billion Years Ago, Mars May Have Been Half Covered by a Sea the Size of the Arctic Ocean

Data from several probes studying the Red Planet helped geologists map what seems to be an ancient coastline

Shenzhou-15 spacecraft debris streaked across the sky above California in April 2024. 

Sonic Booms and Earthquake Sensors Can Help Researchers Track Space Junk as It Plummets to Earth

Falling debris can travel at about 30 times the speed of sound, creating sonic booms that shake the ground

More than 1.8 billion people lived under drought conditions in 2022 and 2023, according to a report from the United Nations.

United Nations Declares That the World Has Entered an Era of ‘Global Water Bankruptcy’

We’re living beyond our hydrological means and need to focus on long-term recovery, according to a new report

A six-fingered version of the robotic hand

This Detachable Robotic Hand Can Scurry Around and Grasp Objects Just Like Thing From the Addams Family

With up to six fingers that can bend in multiple directions, the innovative tool could one day be used to carry out tasks in tight spaces

Veronika scratches her back. 

A Cow Named Veronika Can Scratch Her Back With a Broom. Watch the Video That Scientists Are Calling the First Documented Evidence of Cattle Using Tools

The pet cow’s tool use challenges long-held assumptions about bovine intelligence

A reconstruction of what Manipulonyx reshetovi may have looked like

This Dinosaur May Have Used Its Strange Clawed Hands to Pilfer and Pierce Eggs

A fresh analysis of a fossil found almost 50 years ago reveals a newly described genus named for its “manipulating claw”

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