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.

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

FOUR planets are visible in the night sky. You will have to battle January clouds, but here is how to find them.

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

While planets circle the sun in what's called and heliocentric orbit, they rarely fall together in what appears to the human ...

In case anyone missed the January planetary alignment, two more are expected to be seen in the night sky in February, with ...

Heads up! Four planets are visible in the evening sky this month, and another two planets can be found with a little help. Dress warmly and look up this month.

As humanity sets its sights on Mars colonization, understanding and mitigating the effects of space weather become imperative ...

Overlap with Martin Luther King Jr Day Last but not least, Trump took advantage of the overlap of his inauguration with ...

As long as Connecticut skies stay clear, residents should be able to see a number of planets as they put on a special ...