On Earth, scientists study rock layers and the fossils embedded in them to learn about ancient life. A new study focused on red Mars - the desert planet - did something similar. It looked at the record of changing habitability preserved in ancient dune fields.
NASA has released a cool new visualization showing two massive black holes orbiting each other in a stunning display of light. The intense gravity and other phenomena all play a part in producing this mesmerizing display. Watch here.
NASA has given the name Rafael Navarro Mountain to a hill in Gale Crater on Mars, where the Curiosity rover has been exploring since 2012. Navarro, a mission scientist, died in January 2021 from Covid-19.
A new analysis of data from the 1978 Pioneer Venus mission, by researchers at Cal Poly Pomona, finds evidence not only for phosphine, but also possible chemical disequilibrium in Venus' atmosphere, an additional possible sign of biological activity.
When the TESS planet hunter launched nearly 3 years ago, some 4,000 exoplanets were known. NASA confirmed in late March that TESS has discovered over 2,200 additional exoplanet candidates orbiting distant stars.
Paul Scott Anderson has had a passion for space exploration that began when he was a child when he watched Carl Sagan’s Cosmos. While in school he was known for his passion for space exploration and astronomy. He started his blog The Meridiani Journal in 2005, which was a chronicle of planetary exploration. In 2015, the blog was renamed as Planetaria. While interested in all aspects of space exploration, his primary passion is planetary science. In 2011, he started writing about space on a freelance basis, and now currently writes for AmericaSpace and Futurism (part of Vocal). He has also written for Universe Today and SpaceFlight Insider, and has also been published in The Mars Quarterly and has done supplementary writing for the well-known iOS app Exoplanet for iPhone and iPad.