Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. How would replacing the Moon change the Earth's orbit? Watch the full episode here: <a hr ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

November’s major meteor shower ramps up as the Moon reaches perigee shortly before its Full phase in the sky this week.

Scientists have developed a new method to compute how tides affect the interiors of planets and moons. Importantly, the new ...

November's full moon, known as the Beaver Moon, will be the last supermoon of the year, and you can catch it next week.

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.

Elon Musk aims to make life multiplanetary, but Jeff Bezos believes we should be building massive cylindrical space stations.

Of all the astronomical objects visible in a telescope, none has captured human imagination more than the planet Saturn.

This month, catch planetary views of Saturn, Jupiter, and Mars, witness a close pass of the Parker Solar Probe by Venus, and ...

Saturn shines in the south most of the night, Jupiter rises in the early evening, while Mars is visible in the early morning sky.