Did you know our solar system might have had an extra planet? Scientists believe a mysterious ninth planet once existed but ...

NASA has confirmed the discovery of a mysterious new planet beyond Neptune, shaking up our understanding of the outer reaches ...

The Parker Solar Probe is designed to explore the Sun's corona, the outer atmosphere that's millions of degrees hotter than ...

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.

Scientists discovered tiny jets on the Sun that power both fast and slow solar wind. These jets eject particles and shape ...

A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

The eight major planets in our Solar System orbit the sun on the same flat plane but at vastly different speeds. Mercury, being the closest to the sun, completes an orbit in only 88 days ...

To get treats, apes eagerly pointed them out to humans who didn’t know where they were, a seemingly simple experiment that demonstrated for the first time that apes will communicate unknown ...

While the planets won’t be perfectly aligned, their placement will follow the orbital plane of our solar system. Which planets are parading in January and February? The January planetary ...

The exoplanet – a planet outside our solar system – was spotted by Oxford ... ‘While my job mainly consists of finding these unknown worlds, I’m now very enthusiastic to hear what other ...