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  1. Moons have the coolest names, don’t they? Proteus, Titan, and Callisto. Phobos, Deimos, and Encephalitis. But not Io. That’s a stupid name for a moon. There’s only two ways to pronounce it and we still get it wrong. Anyway, now we have another cool one: Hippocamp! Okay, maybe the new name isn’t that cool. It …

    The post Say Hello to Hippocamp! The New Moon Discovered at Neptune, Which Could Have Broken off from the Larger Moon Proteus appeared first on Universe Today.

  2. A citizen scientist recently discovered a white dwarf star that has multiple dust rings, a finding which could force a rethink of how planetary systems evolve.

    The post The Oldest and Coldest White Dwarf Ever Found has Bizarre Dust Rings Around it appeared first on Universe Today.

  3. Japan’s Hayabusa2 spacecraft has completed an important part of its mission to asteroid Ryugu. The spacecraft descended to the surface of the asteroid to collect two samples with its sampling horn. We don’t know for sure if samples were successfully collected, but all indications are that the sampling mission went well. The successful touchdown took …

    The post Shout Out to Japan! Their Hayabusa2 Spacecraft has Collected its First Samples from Asteroid Ryugu appeared first on Universe Today.

  4. Billions of years ago, Mars was likely a much warmer and wetter place than the cold, dry, barren world we see today. Whether there was life there or not remains an open question. But there’s a massive, growing wall of evidence showing that Mars may have had the necessary conditions for life in the past, …

    The post Signs that Ancient Rivers Flowed Across the Surface of Mars, Billions of Years Ago appeared first on Universe Today.

  5. An ice shelf in Antarctica is about to give birth to a baby. This baby is a giant, spawned by growing cracks in the Brunt Ice Shelf. It’s not clear what this’ll mean to the scientific infrastructure in the area, and to the human presence, which were both established in the 1950s. The Brunt Ice …

    The post Antarctica is About to Unleash an Iceberg Twice the Size of New York City appeared first on Universe Today.

  6. Japan’s Hayabusa2 mission is about to get down to business. After arriving at asteroid Ryugu at the end of June 2018, and dispatching its tiny rovers to the surface, the spacecraft is about to approach the surface of the asteroid and get some samples. Back in October, Hayabusa 2 performed some touchdown rehearsals. It left …

    The post Japan’s Hayabusa2 is About to Shoot Up the Surface of Ryugu with Tiny Impactors so they can Collect a Sample appeared first on Universe Today.

  7. Strictly speaking, there aren’t strict boundaries between Earth and space. Our atmosphere doesn’t just end at a certain altitude; it peters out gradually. A new study from Russia’s Space Research Institute (SRI) shows that our atmosphere extends out to 630,000 km into space. The lead author of this study is Igor Baliukin. a researcher at …

    The post Did You Know the Earth’s Atmosphere Extends Beyond the Orbit of the Moon? appeared first on Universe Today.

  8. The Gateway Foundation is looking to build a rotating space station in orbit. And thanks to Elon Musk and his plans for the BFR, it might just be affordable!

    The post Gateway Foundation Shows off Their Plans for an Enormous Rotating Space Station appeared first on Universe Today.

  9. We live in a time when our spacecraft orbiting Mars at an altitude of about 300 km. can snap photos of a dust devil and transmit them back to us so we can share them on the internet. Not only that, but we have rovers wandering around on the surface taking pictures of the dust …

    The post This is a Dust Devil… on Mars appeared first on Universe Today.

  10. Hosts: Fraser Cain (universetoday.com / @fcain) Dr. Paul M. Sutter (pmsutter.com / @PaulMattSutter) Dr. Kimberly Cartier (KimberlyCartier.org / @AstroKimCartier ) Dr. Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg & ChartYourWorld.org) Dr. Emily Holt is an Environmental Archaeologist and Anthropologist who is currently a Visiting Assistant Professor at Miami University of Ohio. Emily’s research focuses on human-environment dynamics …

    The post Weekly Space Hangout: Feb 20, 2019 – Dr. Emily Holt talks Archaeology and Ancient Astronomy appeared first on Universe Today.

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