Perri Thaler

Tubal ligation — the procedure that blocks eggs from traveling through the fallopian tubes — is an extremely effective way to lower one's chances of pregnancy to almost zero. Here's how it works.

One physicist says his design to use nuclear waste as fuel for nuclear fusion could help the U.S. be a leader in the fusion economy.

Finalists in the Ocean Photographer of the Year 2025 competition capture beautiful images of animals and people oceans.

A geomagnetic storm could hit Earth Aug. 8 or 9, possibly bringing the dazzling northern lights with it.

Scientists have synthesized methanetetrol, an elusive alcohol that could be the foundation of alien life.

The design for a 36 mile long spacecraft, called Chrysalis, includes libraries, tropical forests and structural manufacturing facilities, all supported by artificial gravity.

Paleontologists in Germany have described a never-before-seen species of Jurassic marine reptile from 183 million years ago.

Six Russian volcanoes erupted shortly after an 8.8 magnitude earthquake struck nearby, with a seventh possibly to follow.

Two people have died from a Legionnaires' disease outbreak in Harlem, New York City, and 58 people total have contracted the illness.

The morning-after pill helps prevent pregnancy after unprotected sex, but its efficacy differs depending on the user's body mass and the timing of when they take the medication.

In a first, scientists have recreated the formation of the first ever molecules in the universe to learn more about early star formation.

Researchers have mapped out the neural pathway that humans use to perceive cool temperatures and found that it's separate from the one for sensing heat.

Research suggests that whether people view the world as competitive or cooperative impacts how they perceive antagonistic leaders.

Klyuchevskoy volcano in Russia erupted shortly after a powerful 8.8 magnitude earthquake in the same region.

The extreme marine heatwaves of 2023 may signal a tipping point for Earth's climate, a new study suggests.

An Arctic expedition found a collection of ancient whale remains where a rapidly retreating glacier once lay.

A team of scientists in Japan shattered the record for the fastest internet speed by developing new fiber optics.

By heating and cooling a quantum material called 1T-TaS₂, researchers were able to control its conductive properties, showing that this type of material could speed up electronic processing one thousand fold.

A new artificial intelligence (AI) model called Centaur can predict and simulate human thought and behavior better than any past models, opening the door for cutting-edge research applications.

Roughly 4,000-year-old bones from Chile contain genetic evidence of leprosy, suggesting that a rare form of the bacteria that causes the disease may have been circulating in the Americas and long before the Europeans arrived.

Ruins of the Palaspata temple complex from the millennia-old Tiwanaku civilization are unraveling some mysteries about the relatively unstudied society.

An analysis of ancient animal bones found in Germany suggests that Neanderthals extracted grease from them to gobble up 125,000 years ago.

In a first, researchers have sequenced the complete genome of a man from ancient Egypt, and the results reveal that he had genetic ties with Mesopotamian DNA.

A possible new "jellyfish" galaxy discovered by the James Webb Space Telescope could deepen our understanding of galaxy evolution and star formation.