Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

This artist’s illustration provided by the European Southern Observatory shows an exoplanet orbiting around two brown dwarfs, celestial objects that are lighter than stars, but heavier than gas giant ...

Winds of over 2 km per second have been discovered flowing around planet outside of the Earth’s solar system, new research has found. The University of Warwick discovery is the first time that a ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

World views and the solar system -- Earth-centered world views in classical Europe -- Non-European world views -- Earth-centered world views in the Middle Ages and Renaissance -- Sun-centered and ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Aimed at the nearby star PDS 70, the James Webb Space Telescope is watching newborn planets take shape before our eyes in uprecedented detail. When you purchase through links on our site, we may earn ...