Scientists discover a new way that stars light up the sky
A nova, or stella nova, the Latin word for "new star," is an explosion on the surface of a star that can produce enough...
Scientists answer key questions about the mysterious interstellar object ‘Oumuamua
Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped...
Scientists solve the mystery of Saturn’s hot atmosphere
The upper layers in the atmospheres of Saturn—and the other gas giants Jupiter, Uranus, and Neptune—are hot, just like Earth’s.
But unlike Earth, the sun...
Scientists find new way to grow medicines during long term space flights
An instrument currently aboard the International Space Station could grow E. coli bacteria in space, opening a new path to bio-manufacturing drugs during long...
Black hole could bend some light back like a boomerang
You may have heard that nothing escapes the gravitational grasp of a black hole, not even light.
This is true in the immediate vicinity of...
Something is lurking in the heart of quasar 3C 279
One year ago, the Event Horizon Telescope (EHT) Collaboration published the first image of a black hole in the nearby radio galaxy M 87.
Now...
What makes Saturn’s atmosphere so hot
The upper layers in the atmospheres of gas giants -- Saturn, Jupiter, Uranus and Neptune -- are hot, just like Earth's.
But unlike Earth, the...
Scientists solve the mysteries of Uranus’ oddities
The ice giant Uranus' unusual attributes have long puzzled scientists.
All of the planets in our Solar System revolve around the Sun in the same...
Our Milky Way’s satellites help reveal link between dark matter halos and galaxy formation
Just as the sun has planets and the planets have moons, our galaxy has satellite galaxies, and some of those might have smaller satellite...
‘Black beauty’ meteorite reveals watery past on Mars
Mars likely received water from at least two vastly different sources early in its history, according to new research.
The variability the researchers found implies...