controversy

Is Time Travel Possible? What Science Really Says

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A conceptual thumbnail image for the article “Is Time Travel Possible? What Science Says,” showing a clock surrounded by curved spacetime lines, symbolizing relativity and the scientific concept of time travel.

Time Travel — No Longer Just Science Fiction “Time travel” has long lived only in the imagination — in movies, novels, and dreams.But today, modern physicists are treating it as a theoretical possibility, grounded in the laws of physics rather than fantasy. Instead of merely asking “Can we go back to the past?”, science is … Read more

3I/ATLAS: The Interstellar Comet That Brushed Past the Sun — Post-Perihelion Changes and Controversy

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“NASA image of interstellar comet 3I/ATLAS showing brightened tail and coma after perihelion”

What Is 3I/ATLAS? In October 2025, astronomers around the world turned their eyes to a remarkable object —3I/ATLAS (C/2025 N1), the third confirmed interstellar object ever detected. Following 1I/ʻOumuamua and 2I/Borisov, 3I/ATLAS travels through our solar system on a hyperbolic trajectory (eccentricity ≈ 6) — meaning it’s not gravitationally bound to the Sun and will … Read more