Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

Avi Loeb's controversial claim that a recent fireball resulted from an interstellar object is taking a hammering.

In 1977, NASA launched Voyager 1 and 2 on a mission to explore the outer planets. Now, over 45 years later, these incredible ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

The Subaru Telescope has discovered new objects beyond the known Kuiper Belt, suggesting a more complex structure at the edge ...

Therefore, this study holds the potential to use gas giant planets within our solar system as analogs for exoplanets throughout the cosmos. For the study, the researchers analyzed data collected from ...

A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer ...

In the frigid realm beyond Neptune, the material available ... much closer together than the planets in our solar system. Some are Jupiter- or Neptune-size worlds that race on insanely hot orbits ...

The mysteries of the cosmos continue to unravel, with scientists piecing together clues about the origins of our solar system ...

Researchers have developed a new method using the Allen Telescope Array to search for interplanetary radio communication in the TRAPPIST-1 star system. A new technique allows astronomers to home ...

and diminished if we went farther away. Now sup-: pose that retaining your consciousness, you could go: out, far beyond the confines of our solar system, to a point one thousand times as far ...