World's Oldest Impact Crater Found, Rewriting Earth's Ancient History Mar. 6, 2025 — Researchers have discovered the world's oldest known meteorite impact crater, which could significantly ...

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A 500-foot- wide space rock could inflict mass casualties across a state or a small country; those arrive every 20,000 years.

Despite its flexibility and ability to reach across distance and time zones, asynchronous teaching is still seen as subpar when compared with in-person or even synchronous online courses. However, ...

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Mar. 10, 2025 — Aerospace engineers found that greenhouse gas emissions are changing the environment of near-Earth space in ways that, over time, will reduce the number of satellites that can ...