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

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

The changes in temperature and vertical structure of the atmosphere are the two main processes that affect the weather on ...

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

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

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

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

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

Sun news, October 12, 2026: A blast of sun-stuff could reach Earth today. It could combine with a fast solar wind stream to trigger geomagnetic storms. Visible planets and night sky guide. The moon is ...

Flare activity: Solar activity stayed at low levels. Observers recorded 8 flares during the period: 6 C-class (common) and 2 B-class (weak). Blasts from the sun? Observers detected no new ...