• How brute-efficiency enables practical electric flight

    Updated: 2024-04-17 23:27:59
    Anytime the topic of electric aircraft comes up, the immediate response by the middle-brow (and some high-brow) is that it’s obviously impractical due to the mass-sensitivity of flight and the obvious energy density (or they usually intend “specific energy”) advantage … Continue reading →

  • Is space science worth the money?

    Updated: 2024-04-16 14:00:00
    Space science costs money. Here's why it's worth the investment.

  • How do NASA and ESA work together?

    Updated: 2024-04-04 14:00:00
    NASA and the European Space Agency (ESA) have a long-standing partnership that has resulted in spectacular science missions, including the James Webb Space Telescope and the Cassini-Huygens mission to Saturn.

  • Queqiao-2: China’s bridge for lunar exploration

    Updated: 2024-03-22 14:00:00
    China's Queqiao-2 spacecraft will relay communications to Earth to support lunar far side and south pole missions, including missions led by international partners.

  • NASA's FY 2025 Budget

    Updated: 2024-03-12 06:00:00
    The White House proposed $25.4 billion for NASA in 2025, a modest increase from the previous year, and far less than originally planned.

  • The coolest new space pictures: March 2024

    Updated: 2024-02-28 22:40:00
    It was a busy month at the International Space Station.

  • The path forward for Mars Sample Return

    Updated: 2024-02-14 19:25:00
    A brief summary of The Planetary Society's policy principles and recommendations for Mars Sample Return.

  • Become an Eclipse Explorer!

    Updated: 2024-02-14 15:46:00
    In anticipation of the total solar eclipse on April 8, 2024, The Planetary Society has partnered with the National Park Service to launch a new Eclipse Explorer Junior Ranger booklet.

  • What to look forward to in space in 2024

    Updated: 2024-02-02 15:00:00
    A total solar eclipse and the launch of Europa Clipper are on our list of cosmic events to get excited about this year.

  • The Unreasonable Energy Efficiency of Conventional Orbital Rockets, Part One: Versus the F-150

    Updated: 2024-01-17 04:24:18
    Orbital rockets do not *seem* efficient. They take off in what amounts to a mushroom cloud, using extravagant amounts of propellant to rise even the first 100 meters into the air to clear the tower. Yet, their efficiency rivals that … Continue reading →

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