Physics & the Universe
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A Star Racing Around Our Black Hole Could Reveal How Space Twists
S301 reaches around 25,000 kilometres per second near the Milky Way’s central black hole. Its orbit could become a powerful test of the black hole’s spin.
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NASA Is Teaching AI to Find the Moon’s Most Valuable Ice
NASA and IBM have released an open AI model trained on decades of lunar data. It will not replace scientists or magically discover a Moon base—but it could help researchers find the safest and most useful places to explore.
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Saturn Decagon: Hubble Spots a Strange Ten-Sided Wave
The Saturn decagon is a changing ten-sided wave around the south pole. Hubble’s observations reveal a weather pattern whose origin and future remain uncertain.
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A Planet Without a Sun? Astronomers Have Weighed a Cosmic Wanderer
Some worlds may travel through the galaxy without a star. A 2026 study measured a candidate’s mass using a brief distortion of somebody else’s starlight.
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Does Your Future Already Exist? Inside the Block Universe
Your childhood, this moment and your next birthday could all belong to one four-dimensional reality. The block universe challenges our sense of time—but it does not give us a preview of tomorrow.
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Quantum Immortality: The Multiverse’s Most Unsettling Idea
Could a version of you always survive somewhere in a branching universe? Quantum immortality turns real physics into a deeply personal puzzle—but the leap to eternal life is far from proven.