A meteorite from Mars, the largest piece ever found on Earth, sold for $5.3 million to an anonymous bidder at a Sotheby's auction in New York on Wednesday.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

The observations offer a unique glimpse into the inner workings of an emerging planetary system, said the University of ...

In a cosmic first, scientists identified signs of early planet formation by looking deep into the gas disk around a baby star ...

Studying the features detailed in Odyssey's photos ... which form when air expands as it blows up the sides of the mountain ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Interestingly, the study also ties wide-orbit planets to the growing population of free-floating, or "rogue," planets—worlds ejected from their systems entirely.

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about . Then the planets began to emerge, as the billions of particles of gas and dust left ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...

Planet Signs 7-Figure Contract Expansion with the German Government, Enabling Land and Water Management from Space Planet Labs Germany GmbH, a leading provider of daily data and insights about ...

Using the now-retired Kepler space telescope, astronomers have discovered that larger planets grow up in more turbulent homes than smaller worlds.