Posts by 

Paul Scott Anderson

Wow! See 19 spiral galaxies in stunning new Webb images

NASA's Webb Space Telescope has taken stunning new images of 19 spiral galaxies. Besides being breathtaking to look at, they are rich in science data.

New stamps feature Webb images of the cosmos!

Two new stamps feature Webb images of our amazing universe. The U.S. Postal Service issued them on January 22, 2024, to celebrate Webb's incredible mission.

Astronomers find smallest exoplanet yet with water vapor

Astronomers have found the smallest exoplanet yet with water vapor. GJ 9827 d is a hot steamy world. But is it rocky like Earth or a mini-Neptune?

Oldest-known black hole is eating its galaxy

Astronomers have discovered the oldest-known black hole. It dates back more than 13 billion years, to when the universe was only 400 million years old.

Exoplanet with a tail: a hot Jupiter looks like a giant comet

Researchers at UCLA have found an exoplanet with a tail. The hot Jupiter WASP-69b has a huge comet-like tail of gas 350,000 miles (560,000 km) long.

Shapes of early galaxies: surfboards and pool noodles

NASA's Webb space telescope has revealed that many early galaxies in the universe resembled surfboards and pool noodles in shape.

Is this nearby exoplanet a water world? Or a mini-Neptune?

A new study says that an exoplanet 50 light-years away is either a water world or a mini-Neptune. NASA's Webb telescope might tell us which it is.

Amino acids on Venus? New study says it’s possible

A new study shows that amino acids could survive in the sulfuric acid droplets in Venus' clouds. And if there are amino acids on Venus, what about life itself?

Titan’s magic islands appear and disappear in liquid seas

How do Titan's magic islands form in its hydrocarbon seas? A new study says they are likely porous, similar to a honeycomb, and composed of organic material.

Habitable exoplanets may have less carbon dioxide

A new study says that rocky habitable exoplanets likely have less carbon dioxide in their atmospheres as compared to similar planets in the same system.