For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

Previous observations of stars whipping around an unseen mass—especially a bright star called S2—have pointed to an object ...

In a rare and surprising move, the FDA has issued a “Refusal to File” letter for Moderna’s mRNA-1010 influenza vaccine.

Typically, from what astronomers have gathered thus far, star systems follow a tidy logic: small, rocky worlds huddle close to the warmth of their star, while massive gas giants bloat up in the colder ...

The pattern echoes classic studies of animal foraging. Birds in food-rich habitats ignore low-quality prey, waiting for ...

The game the AI reconstructed — now dubbed Ludus Coriovalli (Game of Coriovallum) — is an asymmetric battle of attrition. It ...

Scientists call this speck LUCA — the Last Universal Common Ancestor. Since the concept of LUCA first emerged, it has ...

Fossilized footprints are among the most abundant traces dinosaurs left behind. But linking a track to its corresponding ...

For 12,400 years, the cave’s arid air preserved two small scraps of elk hide stitched together with twisted fiber. These ...

For more than 6 decades, NCAR has shown that open, collaborative science can save lives, support economic resilience and ...

In 1922, archaeologists uncovered the intact tomb of Tutankhamun, exposing thousands of artifacts placed around the young Egyptian king for burial. Among the gold ornaments, chariots and ritual items ...

A new study, published in the journal PLOS One, argues that this kind of enduring grief after a pet’s death can reach the ...