The Curiosity rover has made 2 new and interesting discoveries - the first about methane in Mars' air and the other about stick-rock formations - both related the possibility of life.
Opportunity has been exploring Mars for 14 years. It and its solar panels recently survived the winter darkness in its location and are now facing a possible planet-wide dust storm in 2018.
Russian cosmonaut Anton Shkaplerov found the bacteria in samples swabbed from outside surfaces of ISS. They weren't present at launch. Where did they come from?
"Cassini managed to survive for 91 seconds in this epic battle, before tipping over backward during the last 8 seconds and then finally losing radio contact with Earth."
At a NASA symposium this week, space scientists and engineers presented an exciting new concept for a lander that would explore Pluto by "hopping" across its surface.
Even as the long-lived Cassini spacecraft gears up for its last moments at Saturn, it's preparing for a final long-distance look at Titan, Saturn's large moon, on September 11.
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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