Science News: Recent scientific discoveries and expert analysis

Scientists have been building nuclear weapons for more than 80 years, but crafting this technology remains a challenge.

March 15, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Butch Wilmore and Sunni Williams have spent nine months aboard the International Space Station following the failure of Boeing’s Starliner mission. Their rescue rocket has finally been launched.

While millions of Earthlings watched the "blood moon" total lunar eclipse on March 13-14, the private Blue Ghost spacecraft caught an ultra-rare view of Earth blocking out the sun from the surface of the moon.

A monumental tomb found near Corinth has revealed several burials, along with artifacts reflecting its later use as a healing shrine.

Chinese startup Butterfly Effect has unveiled what it claims is the first general AI agent capable of acting autonomously.

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' that reverse the growth of the cosmos, a new pre-print study hints.

Melting ice could weaken Earth's strongest ocean current 20% by 2050, study reveals.

Skywatchers snapped photos of the "blood moon" hovering above North and South America last night. Here's a gallery of images to celebrate the total lunar eclipse.

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered?

The End-Permian mass extinction killed an estimated 80% of life on Earth, but new research suggests that plants might have done okay.

Genetic analysis of skeletons in a mass grave in Mongolia has revealed they were soldiers in the Han-Xiongnu Wars more than two millennia ago.

People find AI more compassionate and understanding than human mental health experts, a new study shows. Even when participants knew that they were talking to a human or AI, the third-party assessors rated AI responses higher.

Mount Washington is a prominent mountain in New Hampshire, known for its dramatic weather and conditions that are extremely dangerous for hikers and climbers.

Are there mathematical ways to prove that pi is an irrational number that has no end?

For the first time, researchers transformed light into a quantum crystalline structure to create a "supersolid" that's both solid and liquid at the same time. Here’s what that means, and why it's such a big step forward.

A newly excavated cave in Israel holds burials and artifacts suggesting that multiple human species commingled and shared ideas there during the Paleolithic.

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

The mummy of a first-century-B.C. individual found in Egypt was not pregnant and did not have cancer, according to a new CT study.

When does the next full moon rise? Find out exactly when to see the full moons of 2025, including the 'blood moon' total lunar eclipse on March 13-14.