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

From the Southern Hemisphere, shortly after sunset in early October, Venus will shine brightly in the west with much-dimmer Mercury nearby. The waxing crescent moon will visit Mercury on October 12.

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

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

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

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 ...

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

The Komodo dragon ( Varanus komodoensis) is the largest living lizard on Earth. The biggest males can exceed 10 feet (3 ...

Sun news for October 9, 2026. Solar activity jumped to high when active region AR4549 fired an M6.7 flare at 15:48 UTC on October 8. Image via NOAA. Sunspot regions: Currently, three numbered sunspot ...

Visible planets and night sky guide. Orionid meteors are coming soon. Watch a video here. Southern Hemisphere observers, look for Mercury after sunset. The Hera mission will hit the brakes Thursday as ...

Southern Hemisphere: Venus and Mercury! In October, Mercury reaches its best evening appearance of 2026 for Southern Hemisphere observers. And Mercury and Venus trade places in the evening sky as seen ...