Life's building blocks may have formed in interstellar clouds
An experiment shows that one of the basic units of life — nucleobases — could have originated within giant gas clouds interspersed between the stars.
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Naming of new interstellar visitor: 2I/Borisov
A new object from interstellar space has been found within the Solar System, only the second such discovery of its kind. Astronomers are turning their telescopes towards the visitor, which offers a tantalising glimpse beyond our Solar System and raises some puzzling questions. The object has been given the name 2I/Borisov by the IAU.
Read moreSaturn's icy rings are as old as the solar system itself, study suggests
No one knows for certain when Saturn's iconic rings formed, but a new study suggests that they are much older than some scientists think.
Read moreNew observations help explain the dimming of Tabby's Star
The overall brightness of Tabby's Star has been gradually dimming for years. A new study suggests chunks of an exomoon's dusty outer layers of ice, gas and carbonaceous rock may be accumulating in a disk, blocking the star's light and making it appear to slowly fade.
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