Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

Don't miss this chance to see all seven of our solar system neighbors in the sky at the same time. The planetary alignment ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare ...

In research highlighted in a new paper, published today in The Astrophysical Journal, Scientia Senior Lecturer Ben Montet and PhD candidate Brendan McKee analysed changes in the timing of a known ...

The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.

Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a ...

What can the protoplanetary disk’s lifetime teach us about finding life beyond Earth? This is what a recent study published in The Astrophysical Jour | Space ...

"In terms of alignment, they're all going to appear to be in a line because that's the line called the ecliptic, that the planets, the sun, the moon all follow because our solar system orbits the ...