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

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 ...

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 ...

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

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered thousands of exoplanets with space telescopes like Kepler and TESS. Credit ...

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 ...

Here’s how it works. Scientists have found new evidence of a potentially volcanic moon orbiting a planet beyond our solar system. Our solar system contains the most volcanic object in the known ...

A prime focus in this search is rocky planets orbiting low-mass stars called M-dwarfs, the most common type of stars in the ...

Although there have been claims for other exomoons (moons beyond the Solar System), these are now under considerable question, so this is probably the strongest evidence we have for such a first.

"Solar System: Volcano Worlds." Right now, on "NOVA." ♪ ♪ NARRATOR: Humans have only set foot on one world beyond our own. On the moon, we found a barren landscape, appearing unchanged for ...