Posts by 

Paul Scott Anderson

Habitable water worlds don’t have to be Earth-like

A new study from researchers in Europe shows how habitable water worlds don't need to be just like Earth. The results may help expand the search for alien life.

Cloudspotting on Mars: You can help

NASA is inviting you to help with its new project: Cloudspotting on Mars. The agency is trying to find out why Mars lost most of its once-thick atmosphere.

Charon’s red cap created by “atmospheric surges”

An odd reddish polar cap on Pluto's moon Charon has puzzled scientists since 1st seen in 2015. Now researchers may have solved the mystery of Charon's red cap.

Wow! Giant bacterium is largest ever discovered

Scientists say they have discovered the largest species of bacteria ever found. The giant bacterium is 0.4 inches (1 centimeter) long.

Europa Clipper mission at JPL! Ready for assembly

NASA's Europa Clipper mission just completed another big step toward launch, the delivery of the spacecraft's main body to JPL.

Odd Fast Radio Burst only 2nd known of its kind

Astronomers say they have observed an unusual fast radio burst - only the 2nd so far - where smaller bursts persistently occur in-between repeating large bursts.

Life on Venus unlikely, says new study. But …

A new study from the University of Cambridge suggests that atmospheric life on Venus is unlikely. The evidence for phosphine, however, continues to mount.

China’s FAST telescope reports signal from aliens, then deletes report

China's FAST telescope reported on June 14, 2022 on possible artificial signals - presumably sign of an alien intelligence - then deleted the report.

Sally Ride: 1st American woman in space

Sally Ride was the 1st American woman to go to space, flying on the STS-7 space shuttle Challenger mission in 1983, and later on another mission in 1984.

Curiosity rover spots ‘mini-hoodoos’ on Mars

NASA's Curiosity rover has spotted some intriguing stick-like rock spikes, resembling hoodoos on Earth, but much smaller. How did they form?

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.