In the heart of California, the Sequoia and Kings Canyon National Parks are home to some of the tallest trees on the planet.

Look to the southwest sky after sunset on Saturday, as the sliver of a waxing crescent moon nears bright Venus with Saturn ...

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

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to SkyatNightMagazine. We'll see six planets in the first part of February – ...

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

Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, ...

It is located in a star system less than 20 light-years away, making it one of the closest candidates for further research.

Astronomers have discovered another exoplanet that may have favourable conditions for the existence of liquid water. We are ...

National Geographic premiered "SALLY," Cristina Costantini's new documentary about the first U.S. woman in space and her ...

In politics, desert has become a useful noun, while adjectives help tell the story. As noted last week, a child care desert ...