Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

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

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Samples of organic matter returned from the asteroid Bennu support the theory that asteroids could have brought the building ...

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

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

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, ...