Science News: Recent scientific discoveries and expert analysis

In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests.

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant energy jet "being illuminated by the leftover glow from the Big Bang itself."

A new proof-of-concept study explored the feasibility of tracking the evolution of superbug infections in real time to help save infected patients.

Activity levels in a specific region of the brain predict whether we think something is real, irrespective of whether we've seen it or imagined it.

Small clusters of pits in tooth enamel may be traced back to a single evolutionary lineage millions of years ago.

A surprisingly large leather shoe has been found at Magna, a Roman fort in northern England.

With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very different to Earth.

Researchers have found that ocean acidification entered a "danger zone" in 2020, suggesting increased carbon dioxide levels have caused Earth to breach another planetary boundary.

For the first time, scientists have imaged the elusive south pole of the sun. The images captured by the Solar Orbiter spacecraft reveal our star's magnetic field is a powder keg ready to blow.

Astronomers have discovered a new class of bright, long-lasting cosmic explosions that offer a new probe into studying the universe's most distant black holes.

Scientists are developing a new device that fits inside a menstrual pad and checks for "biomarkers" of disease in period blood.

The unusual grave of a Bedouin woman who may have been buried with her son was found in southern Israel.

California's earthquakes are far more likely to be "overdue" compared with earthquakes in the rest of the world.

A new species of dinosaur that was probably a princely ancestor of T. rex, the king of the dinosaurs, has been identified from fossils excavated in Mongolia.

Last night's "Strawberry Moon" hovered lower in the night sky than it had done since 2006. Here are some stunning global snaps of June's full moon during the major lunar standstill.

Songbird bones found in a Roman-era trash pit on Mallorca suggests they were a tasty tweet.

A neutron star's final moments may spark violent starquakes, monster shock waves, and even a fleeting, never-before-seen object called a black hole pulsar.

Researchers have confirmed the existence of a new island in the northern part of the Caspian Sea, but they haven't managed to land on it yet.

For the first time, astronomers have used a ground-based telescope to observe polarized microwave light from the universe's earliest epoch. Their observations could give them a better understanding of how the universe evolved.

Feeling less stigma — not losing weight — was linked to better mental health and eating behaviors after bariatric surgery.