Why does Pluto's moon Charon look red on top? A new study from researchers at Purdue University suggests that cryovolcanic eruptions created Charon's red cap.
Astronomers say they have found a rare Neptune-sized planet orbiting a giant hot star, providing clues about why these worlds often lose their atmospheres.
Astronomers using the Gemini North telescope in Hawaii have captured a stunning new image of a galactic collision of 2 galaxies 60 million light-years away.
The Mars Sample Return mission is changing a bit, including the addition of 2 new Mars helicopters. It will bring the 1st-ever Mars samples to Earth in 2033.
Robots to robot: Happy birthday! Today over 100,000 robotic lawn mowers will "sing" Happy Birthday to the Curiosity rover on Mars. You can participate!
Scientists with NOAA Ocean Exploration say they found weird ocean holes on the Atlantic seafloor while exploring an underwater volcano. What made them?
A new study shows that the subsurface ocean on Enceladus is less salty than oceans on Earth. This bolsters the chances of Enceladus' ocean supporting life.
Paul Scott Anderson has had a passion for space exploration that began when he was a child when he watched Carl Sagan’s Cosmos. He studied English, writing, art and computer/publication design in high school and college. He later started his blog The Meridiani Journal in 2005, which was later renamed Planetaria. He also later started the blog Fermi Paradoxica, about the search for life elsewhere in the universe.
While interested in all aspects of space exploration, his primary passion is planetary science and SETI. In 2011, he started writing about space on a freelance basis with Universe Today. He has also written for SpaceFlight Insider and AmericaSpace and has also been published in The Mars Quarterly. He also did some supplementary writing for the iOS app Exoplanet.
He has been writing for EarthSky since 2018, and also assists with proofing and social media.