Add Yahoo as a preferred source to see more of our stories on Google. Here's what it means and what to know. Three to four times a year, the planet Mercury appears to travel backward across the sky — ...

During the final week of June and continuing into the first week of July, we'll have a fair chance at sighting Mercury, the innermost planet to the sun. Many people have never noticed that Mercury ...

Six planets are hanging out in the sky this month in what's known as a planetary parade. Catch the spectacle while you can because it's the last one of the year. Around 4 billion years ago, an ...

Skywatchers across North America will want to be on the lookout for a trio of celestial events during the next month, beginning with an opportunity to view Mercury in the evening sky, followed by the ...

Uranus entering Gemini last week has been kicking my ass. I feel like my nervous system is on hyperdrive, like I’m mainlining adrenaline, careening off the tracks of the Alpine Coaster at Snowmass.

From Moon missions to an expedition to Mercury, 2026 is shaping up to be an exciting year for space. The first part of the year will see four astronauts orbit the Moon for the first time since the ...

I woke up feeling sad this morning. The reason? Mercury just stationed direct. That’s not the typical response, I know. Most people breathe a sigh of relief when Mercury retrograde ends — no more tech ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Early risers are this week being treated to the sight of a ...