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

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, ...

The IM-2 mission will test lunar mobility, resource prospecting and the first-ever cellular network on the moon.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

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 ...

The wannabe asteroid, announced on Jan. 2 as 2018 CN41, is actually a Tesla Roadster launched into space years ago by SpaceX ...

Know how the Chinese Lunar Calendar works, and what it means for your zodiac sign. Learn key insights for career, finances, ...