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Phys.org / Rare blue optical transient points to possible new class of cosmic explosion

Chinese astronomers report the detection of a peculiar optical transient event that occurred in the center of a dwarf galaxy. The newly discovered event, designated AT2019ijn, is a fast-rising, slow-decaying blue optical ...

20 hours ago
Phys.org / Ancient bones from smaller Maya communities reveal heavy reliance on maize and local subsistence patterns

Historians and archaeologists know that maize was a central food source and cultural symbol across the ancient Maya world, but much of what is known has come from studies focused on large Maya cities and elite burials.

18 hours ago
Tech Xplore / Seed crystals push solvent‑free perovskite cells to 25.53% efficiency

Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries, where they are helping to reduce reliance on electricity generated from fossil fuels. While most solar cells used today ...

18 hours ago
Phys.org / Cameras attached to whale sharks capture krill chases never witnessed before

Whale sharks (Rhincodon typus)—the world's biggest fish—are one of the most charismatic marine species. They connect with the hearts of anyone lucky enough to encounter them, making people deeply curious about their lives ...

15 hours ago
Medical Xpress / Teens who struggle to log off social media could face increased ADHD symptoms over time

Social media has become as much a part of our daily lives as eating or sleeping. What started as a way for people to connect and share pictures has grown into a billion-dollar industry that shapes medical, political, and ...

19 hours ago
Phys.org / Syria's ancient sites face widespread looting and systematic bulldozing, satellite images reveal

Dozens of archaeological sites were destroyed by looting during Syria's civil war, which began in 2011 and lasted until 2024. Because the last comprehensive analysis was published in 2017, the extent of more recent damage ...

13 hours ago
Phys.org / Unwritten social rules, not government oversight, help keep forest land sustainable

Swidden agriculture—often called "slash-and-burn"—has been practiced on every inhabited continent throughout human history, and for decades it has been blamed for the destruction of the world's rainforests. However, a new ...

12 hours ago
Phys.org / 'I can't work in the farce of climate change cruise tourism anymore': Why Antarctic guides quit their dream jobs

In the words of a former Antarctic tour guide we interviewed: "You'd see massive glacier calvings, and you'd just want to cry. But all the guests would be cheering. And you'd be like … 'can you not put two and two together?'"

8 hours ago
Science X / Inside 530-million-year-old embryos, scientists uncover rare time-lapse of early animal growth

Think of a small fossil as the equivalent of a homemade video of prehistoric life. Fossils formed when sea organisms began their great proliferation more than half a billion years ago rarely contained anything but tough structures. ...

22 hours ago
Phys.org / SpaceX launches Starship on another test flight, this time with the most advanced Starlinks

SpaceX's mammoth Starship rocket blasted off Friday on another test flight stretching halfway around the world, this time releasing 20 of the most advanced Starlinks.

16 hours ago
Dialog / 'Pro version' of cisplatin keeps its cancer-killing power while reducing side effects

Cisplatin is one of the most successful cancer medicines ever developed. Doctors use it to treat many cancers, including lung, ovarian, breast, testicular and head and neck cancers. However, cisplatin has a serious problem. ...

15 hours ago
Phys.org / The hunt for a natural molecule that can release cellular energy

All cells in the human body—and the motions they enable, from our beating hearts to our wiggling toes—use energy generated by a molecule called ATP. Its energy is thought to be released to fuel cellular processes in only ...

17 hours ago