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.
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.
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.
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.
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.
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.
Scientists say they have discovered a new type of planetary formation called "sandwich exoplanets." This is where a small planet will form between 2 large ones.
Were gullies on Mars formed by liquid water? A new study led by researchers at Brown University says that intermittent meltwater likely did indeed create them.
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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