Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Mercury takes only 88 Earth days to orbit the sun.

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...