A new study in astrophysics has found why some planets’ paths have certain peculiar features. The formation of the solar ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

While the planets are technically always "aligned" along the same plane in our sky, seeing so many at once is a special ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

A close encounter with a mysterious interstellar object could explain the current orbits of several of Earth’s largest ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

In addition to helping the researchers nail down the nebula's ellipsoidal structure, the 3D model also confirmed that the ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Scientists have long studied the life cycle of stars, and a recent discovery has shed light on the eventual demise of our Sun ...

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute's Science and ...