Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

The moon makes for an excellent guide to see Mars in the night sky tonight. As the sun sets this evening (Feb. 9), the moon ...

NASA shares an iconic image of carbon dioxide ice erupting in geysers when Martian winter turns to spring.

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may ...

According to BBC Sky at Night Magazine, it is all a matter of perspective and how we see objects in the night sky from Earth.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Mighty Jupiter stands high in the east at sunset, dominating the stars of Taurus the Bull as they begin to appear in the ...

According to NASA, four to five planets being visible across the sky at the same time happens only once every few years.