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

| 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 ...

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 ...