Aliens tend to fall into two distinct camps: those who want to zap us with lasers, and those who want to be our cool new intergalactic BFFs. While the world-invasion
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Estimated total mass of transiting compact systems, Mtot, scaled to the stellar mass, M∗. a, (Mtot/M∗) for compact systems having ≥ 3 known planets that orbit a single star within
4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Auburn University’s project, “Dynamic Ecosystems for Mars ECLSS Testing, Evaluation, and Reliability (DEMETER),” won top prize in NASA’s 2025
Imagine standing on a mountain peak, the horizon stretching infinitely before you, when suddenly your eyes catch a glimpse of the world beyond. With the 80×100 Monocular Telescope, you can
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 8 min read
M-a distribution, updated from Figure from Kempton and Knutson (2024). The solid-colored points have atmospheric spectra as of April 28, 2025 and the transparent points do not. The additional data
WASHINGTON — The chairman of the Senate Commerce Committee unveiled a proposal to add $10 billion to a budget reconciliation bill to offset changes to NASA human spaceflight and exploration
Amid increasing focus on teetering on the brink of ecological collapse and technological upheaval, Unnatural Selection: A Science Fiction Thriller emerges as an electrifying narrative that delves deep into the
WASHINGTON — The U.S. Space Force awarded BAE Systems a $1.2 billion contract for 10 missile-tracking satellites for a constellation in medium Earth orbit. The contract was awarded to BAE
WASHINGTON — The U.S. Space Force awarded Jacobs Technology a contract worth up to $4 billion over 10 years to provide engineering and technical services at the nation’s primary space
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