For decades, Saturn’s upper atmosphere has been one of the solar system’s great enigmas. Even the Cassini spacecraft, which orbited Saturn for over a decade, had difficulty catching clear signals from ...

When it’s time for an e. coli bacterium to divide, proteins inside the single-celled organism start to chase each other around. “There are two types of proteins doing this, collectively,” said ...

NEW ORLEANS — Astronomers using a NASA space telescope have discovered a region of the sky with a mysterious concentration of some of the universe's highest-energy radiation. The astronomers were ...

Around midday, Earth’s ionosphere sometimes experiences sharp, short-lived dips in its electron density—an unusual phenomenon known as a noontime bite-out. A new study takes a global view of these ...

What if those weird flashes of light seen in the sky back in the 1950s weren’t camera glitches, but something triggered by ...

The hunt for nectar can take honeybees kilometers away from their hive into unknown territory—and yet, they always find their way back. The sun's position in the sky serves as a kind of compass for ...

Set your eyes on the skies. Parts of the United States might get a chance to experience the northern lights again this year — just in time to coincide with the Perseid meteor shower. According to a ...