Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

On this hypothesis Sir G. H. Darwin traced the system of the earth and moon back to a state where the moon was close to the earth, the two always keeping the same face towards each other ...

Fig.1: Artistic representation of the Milky Way. The position of the Solar System is pointed by a white row. Our sun and its ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...

BEFORE the time of the Scotch geologist, James Hut- ton, some 6,000 years was believed to indicate the age of the earth, and ... of the age of the solar system, but he discussed the preliminary ...

A new mission designed to better understand the heliosphere will be the first to map in three dimensions how the solar corona ...

Fungi made Earth’s land liveable by building networks that released nutrients locked in primordial rock and supplied those ...

This could challenge long-standing ideas about the planet’s internal structure and history ... the early solar system. This could also mean that some of Earth’s water may have come from ...

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.