Here’s what ‘habitable’ means to astronomers

Artist’s illustration of K2-18 b, an exoplanet that could be habitable. But what does habitable mean?…

Astronomers find smallest exoplanet yet with water vapor

View larger. | That blue arc at the top is an artist’s concept of a water…

New stamps feature Webb images of the cosmos!

Two new stamps feature James Webb Space Telescope images of our beautiful universe. The U.S. Postal…

Webb sees a cat’s tail in Beta Pictoris

The Beta Pictoris system has fascinated astronomers for decades, because it’s relatively nearly and has an…

Wow! See 19 spiral galaxies in stunning new Webb images

View larger. | NASA’s Webb Space Telescope captured these near-infrared and mid-infrared views of 19 spiral…

How many recipes for life in the universe?

How common is life in the universe? Researchers at the University of Wisconsin-Madison are searching for…

Mystery in the Orion Nebula: Pairs of rogue planets?

This is one of the pairs of unusual “binary objects” imaged by the James Webb Space…

Luna 1, 1st spacecraft headed to moon

Luna 1 was a milestone for exploration of the moon and our solar system . However,…

See the top 10 stories of 2023 from EarthSky

View at EarthSky Community Photos. | Abhijit Patil in San Jose, California, captured this photo of…

Perseverance rover reveals history of ancient habitable lake

View larger. | NASA’s Mars Reconnaissance Orbiter (MRO) spacecraft took this image of part of Jezero…