Bottom line: Chiricahua National Monument in the southeastern corner of Arizona is poised to become the U.S.’s 64th national ...

This evening, check out one of the flashiest stars in the sky. It’s the brightest star in the northeast this month. It’s so bright that every year in northern autumn, we get questions from people in ...

| Artist’s concept of the ancient lake in Gale crater. A new study from researchers in Japan suggests that ancient rains on ...

Southern Hemisphere, watch for Mercury after sunset! The planet will be both farthest from the sun, with the moon nearby, on October 12. Can you still see Venus? It’ll drop close to horizon by ...

Could black holes have planets? New research says yes, they could. New simulations suggest massive planets could form in the ...

And, spookily, this shower comes from the ghost of a comet. Biela’s Comet was a regular visitor to skies in the late 1700s ...

Curiosity rover has now spent 5,000 sols — the equivalent to 5,000 Martian days, or more than 14 years — on Mars. Here's a look at some of its discoveries. The September equinox is almost here! Autumn ...

It’s that time of year again, when creepy-crawlies and spine-chilling images tickle our imaginations. One of the spookiest views in the night sky is of the Witch Head nebula, with the catalog ...

What are smart scopes? And why are they great for astrophotography? EarthSky’s Marcy Curran tells you why she loves them.

Saturn at opposition. Earth flies between the sun and Saturn on October 4, 2026. Our motion brings Saturn to its brightest and closest for the year. EarthSky’s Deborah Byrd wants to tell you how to ...

Happy World Space Week! It runs October 4 through 10. The dates were chosen in honor of the October 4, 1957, launch of Sputnik 1 — world’s first Earth-orbiting satellite — whose unassuming beep beep ...

LHS 1140b is a potentially rocky exoplanet in its star’s habitable zone. It’s an intriguing target in the search for worlds ...