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Stories from Sara Hashemi

The researchers collected samples from the Pilbara region in Western Australia.

When Did the Earth’s Crust Start to Shift? Scientists Uncover Evidence of Plate Tectonics Happening 3.48 Billion Years Ago

A new study provides the oldest direct evidence of tectonic plate movement ever recorded

The sperm whales gathered around the mother before the delivery. 

Watch Unprecedented Footage of Sperm Whales Helping a Newborn Calf Take Its First Breaths

Unrelated animals worked with the mother and her relatives, marking the first known evidence of whales from multiple families assisting in a birth

While the cells can play the game, they’re not very good at it.

A Clump of Human Brain Cells on a Computer Chip Learned to Play the Nostalgic Video Game ‘Doom’

The technology could one day help researchers develop drugs and tailor treatments to individual patients

An artist's depiction of dogs living alongside humans at a site in Turkey 15,800 years ago

Scientists Identify the World’s First Known Dog, Which Pushes Back the Animals’ Genetic Record by About 5,000 Years

Two new ancient DNA studies suggest that domesticated dogs were widespread in western Eurasia more than 14,000 years ago

Mars' surface as captured by NASA’s Ingenuity Mars Helicopter in 2023. The agency's new Mars helicopters will be modeled on this device.

NASA Aims to Launch the World’s First Planet-Hopping Spacecraft Powered by Nuclear Fission

The agency wants the mission to head to Mars by the end of 2028

A regent honeyeater at the Taronga Zoo in Sydney, Australia, which is one of the study sites where the critically endangered birds are being bred

This Critically Endangered Bird’s Song Was About to Disappear. Scientists Saved It by Recruiting Some Wild Vocal Tutors

Wild-born male regent honeyeaters passed their cultural knowledge to young captive-born birds

3D rendering of an Eciton hamatum subsoldier ant

These Stunningly Detailed 3D Images of Ants Showcase the Remarkable Diversity Across Their Many Species

Scientists used a game-changing technique to scan about 2,200 preserved specimens in just one week to create the Antscan database

The researchers used sound waves to levitate tiny glass spheres as part of their study. 

Scientists Make a Major Breakthrough in Solving a Hair-Raising Mystery About Static Electricity

The findings can help explain the physics behind phenomena like volcanic lightning

Two participants tried the device, which translates thoughts of specific finger movements into strokes on a virtual keyboard. 

An Experimental Brain Implant Allows People With Paralysis to Type Their Thoughts With Their Minds

One of the two participants wrote words up to a speed similar to an able-bodied person texting on a smartphone

Rats and other rodents have front teeth that grow continuously, so they gnaw to keep them healthy and in shape. 

Rodents Don’t Gnaw Just to Trim Their Teeth—It Also Feels Good, According to a New Study

The findings could help humans who grind their teeth or clench their jaws

Courses of the antibiotic clindamycin taken within a year before stool sampling were associated with the largest changes in gut microbiomes.

Some Antibiotic Drugs Can Alter Your Gut Microbiome for Up to Eight Years, New Research Suggests

Just a single course of treatment can leave a lasting impression, according to a study of nearly 15,000 people in Sweden

The mice spent about a month aboard the International Space Station.

These Space-Faring Mice Are Helping Scientists Figure Out How to Keep Astronauts’ Muscles Working Properly

A new study suggests a gravity threshold for maintaining muscle function

An artist's conception of a magnetar surrounded by a wobbly accretion disk

Astronomers Witnessed the Birth of a Magnetar for the First Time. It Explains the Mysterious Flickering of an Ultrabright Supernova

New research suggests that the highly magnetized remnants of stars are responsible for powering some of the universe’s most brilliant supernova explosions

The biggest discrepancies were in Southeast Asia.

Sea Levels Might Be Higher Than We Thought, Putting Millions of People in the Path of Coastal Flooding Sooner Than Expected

A lot of past research has used flawed methodology to estimate current coastal water levels, according to a new study

Around one-third of Americans take multivitamins, but researchers don't quite understand how they affect people's health.

Taking a Daily Multivitamin Might Slow Some Signs of Biological Aging, a New Study Suggests

Researchers don’t know how these modest changes at the cellular level relate to overall health

Dimorphos, on the lower right, surrounded by debris moments after DART's collision in September 2022. The asteroid's larger companion, Didymos, is on the left. 

NASA’s Asteroid-Smashing DART Mission Changed a Space Rock’s Orbit Around the Sun, Marking a First for Humanity

Studying the 2022 collision’s effects can help scientists protect the Earth from celestial objects that might head toward us

A donated super-ager brain

Some People Keep Razor-Sharp Minds Into Their 80s and Beyond. A New Study Reveals Their Secrets

“Super-agers” seem to produce more new nerve cells in a brain region important for memory than other people their age

A blue morpho butterfly, native to the tropical forests of Central and South America

Most Insect Species Call the Tropics Home. But Climate Change Is Pushing Many of the Critters There to Their Heat Limits

Insects in the lowlands will have an especially hard time with rising temperatures, a new study suggests

Punch with his stuffed animal

Why Has Punch, an Adorable Baby Monkey, Struggled to Fit in With His Troop? Scientists Explain the Lives of Japanese Macaques

Experts say the other monkeys’ aggressive behaviors toward Punch are pretty normal

Anopheles mosquitoes are major malaria vectors.

Mosquitoes Have Been Biting Humans for More Than One Million Years

A new study suggests that the deadly insects evolved their taste for human blood much earlier than previously thought, around when Homo erectus migrated into Southeast Asia

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