Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

A Victoria University scientist who has found the key to dating the very beginnings of our Solar System will have his work published in the prestigious scientific journal Nature today. Dr Joel Baker, ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is unlike anything ever before seen in our cosmic backyard, ...

The probe is set to become the third human-made object to leave the solar system, but it must first cross this mysterious ...

In one of the most exciting developments in astronomy in the 21st century, NASA is launching the James Webb Space Telescope (JWST) today–and Northern Arizona University astronomers, planetary ...

Billions of years ago, what is now our Solar System was nothing more than a vast spinning disk of gas, rock, and dust. Researchers have now discovered that, in the midst of that primitive environment, ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida Tech graduate, she leaves with not only a dual degree in planetary science ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

Researchers have been focusing on the study of our solar system for centuries, looking at the physics, dynamics, as well as the composition of solar system bodies. Our solar system – which includes ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...