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

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 ...

Saturn is putting on one of its best shows of the year. The ringed planet is bright, visible all night and perfectly placed for observing. Saturn reached opposition on October 4, when Earth passed ...

Artist’s concept of a future moon base. A new study suggests there would be enough water on the moon for smaller bases, villages or towns, but not larger cities. Image via ESA. Elvis and fellow ...

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

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

What is that flashing star in autumn? We nominate these 3 candidates. Image via Igor Cibulsky/ Pexels. Capella is bright. It shines at magnitude 0.24, making it the 6th-brightest star in Earth’s sky, ...

On Tuesday morning, the moon slid in front of Jupiter, blocking it from view. Our EarthSky community shared their moon and Jupiter pics. Sun news, October 7, 2026: Sun-stuff from yesterday's M flares ...

In 2020, NASA and the U.S. Department of State led an effort to establish guidelines for human expansion into space. Working with international partners, they came up with the Artemis Accords. NASA ...