NASA-supported scientists have developed a method to compute how tides affect the interiors of planets and moons, which will help interpret data from missions like NASA's Europa Clipper.

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

On a small dwarf planet called Makemake, astronomers have seen signs of surprising temperature changes. These could indicate ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship. But how can that be? If Jupiter doesn ...

Information about that vehicle and who was inside is a major ... them — share the middle name “Joy,” said Shelby Joy Adams, ...