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

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really saying something." ...

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

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

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

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

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

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

Who Built it and Why? Despite it being humanity's constant companion through all of recorded time, the moon is still a ...