It's his first headlining tour in nearly a decade.

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 ...

See Mars alongside the crescent moon. This week brings a unique astronomical grouping that's worth a look. On Tuesday night, skywatchers will be able to catch a glimpse of Mars alongside the thin ...

The new moon on Aug. 23 at 2:06 a.m. EDT (0606 UTC) is also a black moon, defined as the third new moon in a season that will see four new moons. Three days later, the moon will make a close pass to ...

Red Mars meets bright Spica in the sunset sky this week. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mars will shine close to the blue star ...

This will occur Friday, and everyone in the world can watch, weather permitting. Earth and Mars align with the sun in opposition about once every two years. But truly jaw-dropping midnight views of ...