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% ...

Many people grow up dreaming of becoming astronauts, imagining themselves soaring through space, among the stars, where adventure and mystery await at every turn. It’s a job that promises a life full ...

Keep your eyes on Mars in our night sky this week. Our neighboring planet—the fourth from the sun in our solar system and approximately half the size of Earth—will look larger and brighter in our ...

This has been a most interesting year to follow Mars. If you've been monitoring the Red Planet since the start of 2025, you have no doubt noted the dramatic change in its brightness as well as the ...

Mark your calendars - March is the perfect time to see Mars shine in all its glory! Getty There’s nothing more exhilarating than catching a glimpse of outer space, especially if you’re a fellow ...

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 ...

Arsia Mons, an ancient Martian volcano, was captured before dawn on May 2, 2025, by NASA’s 2001 Mars Odyssey orbiter while the spacecraft was studying the Red ...