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Two stars spiraling toward catastrophe are putting Einstein's gravity to the test
By Paul Sutter published
The two stars in the nearby system ZTF J2130 are spiraling toward a catastrophic supernova. In the meantime, scientists are using the pair's slow orbital decay to put Einstein's theory of gravity to the test.

For the first time, physicists peer inside the nucleus of a molecule using electrons as a probe
By Larissa G. Capella published
A novel experiment has revealed a phenomenon called the Bohr–Weisskopf effect in a pear-shaped nucleus in a molecule for the first time.

Science history: Russian mathematician quietly publishes paper — and solves one of the most famous unsolved conjectures in mathematics — Nov. 11, 2002
By Tia Ghose published
Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

Daylight saving time 2025: When does the time change, and why?
By Jeanna Bryner last updated
When does daylight saving time end in 2025? Here's a look at when the time changes this year, and why we change our clocks in the first place.

Mysterious glow at the Milky Way's center could reshape a major cosmic theory
By Andrey Feldman published
A mysterious glow at the center of the Milky Way has puzzled astronomers for more than a decade. New research offers an explanation that could also reshape what we know about dark matter.

World's biggest X-ray laser discovers never-before-seen type of ice that's solid at room temperature
By Patrick Pester published
Researchers have unveiled ice XXI, a new form of ice that's solid at room temperatures when subjected to immense pressure.

Physicists capture rare illusion of an object moving at 99.9% the speed of light
By Larissa G. Capella published
For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical illusion called the Terrell-Penrose effect.

Einstein's relativity could rewrite a major rule about what types of planets are habitable
By Paul Sutter published
Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for Einstein's general relativity may rewrite that rule.

Nobel Prize in physics goes to three scientists who discovered bizarre quantum effect on large scales
By Patrick Pester published
The 2025 Nobel Prize in Physics has been awarded to John Clarke, Michel H. Devoret and John M. Martinis "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit."
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