The finding offers fresh insight into our solar system’s farthest, coldest objects in a region known as the Kuiper Belt.

Rogue planets sound like rare travelers among the stars, freed from the gravitational constraints of a host system, left to ...

Research shows Mars' gravitational pull affects Earth's deep-sea currents and climate, causing warming cycles every 2.4 ...

If planets are, as many of your own geophysicists argue, bodies shaped by their own gravity and expressing internal processes ...

NASA chief Jared Isaacman said at a US Senate hearing that he supports restoring Pluto's status as a planet after a ...

Every 26 months, Earth passes directly between the Sun and Mars. This alignment, known as the Mars opposition, is when ...

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are ...

New research finds the galaxy's most common stars host many super-Earths but almost no sub-Neptunes, reshaping planet ...

"Once you get past the danger zone, planets can form quickly and in large numbers." When you purchase through links on our ...

"We are doing some papers right now on, I think, a position that we would love to escalate through the scientific community ...

Thanks to the sheer mass of Jupiter and fellow gas giant Saturn, the Solar System barycenter is rarely in the center of the ...

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A ...