Posts by 

Editors of EarthSky

Inspiration from a porcupine’s quills

Understanding the mechanisms behind quill penetration and extraction could help engineers design better medical devices.

Galaxy hits a cosmic bullseye

Galaxy NGC 922 got its unusual shape millions of years ago when a smaller galaxy plunged right through its heart and shot out the other side.

Tiny structure gives big boost to solar power

Researchers have found a simple and economical way to nearly triple the efficiency of organic solar cells.

Want to help identify star clusters in Andromeda galaxy?

Astronomers are inviting the public to search Hubble Space Telescope images of the Andromeda galaxy to help identify star clusters.

Ancient microbes discovered under 60 feet of Antarctic ice

Where there’s water there’s life, even beneath 60 feet of Antarctic ice in permanent darkness and subzero temperatures.

New study reveals lions are rapidly losing ground in Africa

Suitable lion habitat reduced by 75 percent and wild lion population under decline.

Like us, great apes suffer mid-life crisis

They may not go out and buy a shiny sports car, but chimpanzees and orangutans can experience a mid-life crisis, just like humans.

NASA Mars rover fully analyzes first soil samples

NASA’s Mars Curiosity rover has analyzed Martian soil for the first time, and found a complex chemistry within the Martian soil.

Have Venus volcanoes been caught in the act?

Astronomers have speculated for decades about active volcanoes on Venus. Do volcanoes erupt beneath Venus' clouds?

MESSENGER finds new evidence for water ice at Mercury’s poles

New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice in its polar craters.