Physics & the Universe
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SpaceX’s 700th Falcon Mission Shows the Power of Flying Again
A Falcon booster’s 29th flight helped complete the launches for SES’s O3b mPOWER constellation. The milestone shows how SpaceX’s repeated flights support businesses far beyond Starlink.
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Webb’s ‘Impossible’ Black Holes May Be Smaller Than They Look
Some early black holes look too massive for their young galaxies. A fresh look at their missing X-rays offers a different explanation: smaller objects feeding furiously.
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NASA’s New Telescope Is Preparing to Reveal Planets Hidden in Starlight
NASA has switched on Roman’s advanced planet imager. Its next challenge is to suppress the glare of distant stars and reveal worlds that have been lost in the light.
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SpaceX’s Next Power Move Is a Giant Upgrade to Starlink
SpaceX’s next-generation satellites and Starship are designed to reinforce each other. That combination could give its internet network a powerful new growth engine.
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NASA Found 84 Strange X-Ray Sources in a Cosmic Blind Spot
A fresh look through Chandra’s archive has uncovered 84 unusually soft X-ray sources. Some could help reveal what happens before a star explodes.
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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.