Posts by

Paul Scott Anderson

Webb telescope provides unique view of 2 Jupiter moons

NASA's Webb telescope has captured spectroscopic and infrared views of 2 of Jupiter's moons, Ganymede and Io, providing new insights into these distant worlds.

Paul Scott Anderson

August 8, 2023

Was Mars’ Olympus Mons volcano once an island?

Scientists in France have found new evidence that the largest volcano on Mars, Olympus Mons, was once a volcanic island surrounded by an ancient northern ocean.

Paul Scott Anderson

August 2, 2023

Rogue planets by the trillions in our Milky Way?

A new study predicts that NASA's upcoming Roman space telescope will find 400 Earth-mass rogue planets. These worlds drift freely in space, unbound to any star.

Paul Scott Anderson

July 30, 2023

Volcanism on Venus fueled by powerful ancient impacts

A new study says that high-speed impacts fueled early volcanism on Venus, explaining why Venus' surface is geologically young despite a lack of plate tectonics.

Paul Scott Anderson

July 27, 2023

2-faced white dwarf star surprises astronomers

For the 1st time, astronomers have discovered an unusual white dwarf star where one side is composed of hydrogen and the other side is helium.

Paul Scott Anderson

July 26, 2023

Will the proposed UAP Disclosure Act reveal UFO secrets?

Senate Majority Leader Chuck Schumer has added a new amendment to the NDAA bill for 2024. It aims to declassify and release government records related to UAP.

Paul Scott Anderson

July 23, 2023

Spiral arms around a star, made by a giant planet

Spiral arms are common in galaxies, but they can also form in disks of dust and gas around young stars. A new discovery shows how giant planets create them.

Paul Scott Anderson

July 20, 2023

Ocean worlds around red dwarfs … common?

A new study says that the chances of ocean worlds - rocky planets with liquid water - orbiting red dwarf stars is much greater than previously thought.

Paul Scott Anderson

July 19, 2023

Ancient moon volcano revealed in far side hot spot

Scientists discovered an ancient moon volcano after detecting a hot spot - an underground mass of radioactive granite - on the far side.

Paul Scott Anderson

July 18, 2023

New detection of phosphine on Venus: Could it mean life?

Astrobiologist Jane Greaves and her team report that they have re-confirmed phosphine on Venus, deep in the atmosphere. The gas appears to have a steady source.

Paul Scott Anderson

July 13, 2023

Paul Scott Anderson

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.