Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

The images show ultra-fine bright and dark stripes (called striations) in the thin, gaseous layer of the sun's atmosphere ...

The company is developing a larger vehicle, named Helios, that could meaningfully improve the ability of SpaceX's Falcon 9 ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Earth. It’s about 10 times more massive than Earth, and orbits in the habitable zone of a Sun-like star 2475 light-years away ...

The universe is vast, so vast, in fact, that it seems impossible to imagine an “edge.” But what if the universe does have a ...

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...