Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a telescope to be seen.

NASA’s Cassini mission provided the world with unparalleled views of Saturn and its rings. After 13 years, its final images stunned us all. Explore the breathtaking legacy of this groundbreaking mission!

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it is, can both evoke the sublime.

Twenty years ago, the Huygens probe achieved humanity's first landing on a moon in the outer solar system when it touched down on Titan.

On the evenings of Jan. 17 and 18, the planets will appear virtually side by side, in what's called a “planetary conjunction.”

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it is, can both evoke the sublime.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two sub-Neptune exoplanets orbiting a subgiant star known as TOI-6054. The newfound alien worlds are nearly three times larger than the Earth.

Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many bright planets at once.

Look, up in the sky, it's multiple planets. Throughout January, a quartet of planets are visible to the naked eye — Venus, Saturn, Jupiter and Mars — according to NASA. "Jupiter, Saturn and Mars should be very easy to see.

Six planets are aligning with four visible to the naked eye in late January. Here's how to find them in Michigan.

Saturn like you've never seen it before! Discover the scale and science of PIA17172, NASA's enhanced image showcasing the planet's rings, shadows, and the tiny moon Enceladus.