A new analysis of data from NASA's New Horizons mission shows Pluto's ocean is just a little denser than seawater on Earth. You could easily float in it.
Why does the puffy exoplanet WASP-107 b have a density similar to a marshmallow? New findings from Webb show it is hot on the inside due to tidal heating.
Astronomers have discovered a new Earth-sized exoplanet orbiting the ultracool dwarf star SPECULOOS-3. But any atmosphere it had is probably long gone.
NASA has released some images of Europa, the ocean moon of Jupiter. They provide new clues about the moon's ice shell and other intriguing surface features.
Two teams of astronomers in Europe say they have found 60 Dyson sphere candidates. Are they alien megastructures or a previously unknown natural phenomenon?
A new study from MIT shows that climate and intense weather events like heavy snowfall and rain helped produce a swarm of earthquakes in Japan starting in 2020.
NASA's Webb telescope has mapped the weather on WASP-43 b, a hot Jupiter exoplanet 283 light-years away. It's blistering hot with 5,000-mile-per-hour winds.
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.
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