As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...

If the weather is clear where you live on Tuesday evening (Dec. 17), look low above the east-northeast horizon at around 8:00 p.m. local standard time and you'll see the waning gibbous moon, 89% ...

Just four days after it passed in front of the Pleiades star cluster, the moon will cross paths with another noteworthy celestial object on Monday evening, Jan. 13, when it will cover the planet Mars, ...

The moon will appear to skip over Mars between the nights of May 31 and June 1, appearing to grow ever larger ahead of its first quarter phase next week. Stargazers in the U.S. can find the moon ...

This story originally appeared on WIRED en Español and has been translated from Spanish. August has delivered many spectacular sights in the night sky: a supermoon, meteor showers, and supercharged ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...