A faint yet visible Martian aurora is the first instance of the phenomenon spotted from another planet's surface.

The idea was first hypothesized about 70 years ago. In a bizarre repercussion of Albert Einstein's Special Theory of ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out and observe a planetary nebula in the ...

NASA Mars Odyssey orbiter has been rotated to capture imagery of the Red Planet that would be similar to what an astronaut ...

WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

Mercury may be the closest planet to the Sun, but it's long been overshadowed in scientific exploration. With only two missions ever reaching it - most recently NASA's MESSENGER - the planet remained ...

For those in midlatitudes of the Northern Hemisphere, the arc of our galaxy becomes easier to see in May. Here's when and ...

The solar system's smallest planet is quickly approaching superior conjunction, so catch it in the morning sky while you can.

Mercury will square Pluto retrograde, creating tension between your beliefs and how you communicate them. While Mercury ...

Ancient North American droughts were driven by Earth’s orbital shifts, study from the University of Helsinki finds.

What is the hottest planet in the solar system? If you want to know which is the hottest star in the solar system, this ...