
#11Physics & AstronomyPeer reviewed3 October 2026
What happens when two stars spiral into each other?
Red novae are bright cosmic flares produced when two stars collide and merge, powered by orbital motion rather than nuclear explosions.
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Red novae are bright cosmic flares produced when two stars collide and merge, powered by orbital motion rather than nuclear explosions.

Lab tests show gas bubbles stuck tightly to liquid metal drops in molten young worlds, dragging atmospheric elements down deep inside them.
A new germanium-silicon chip design traps light and triggers electrical signals in separate layers, modelling single-photon detection without massive cooling equipment.

A review shows how machine learning mimics slow quantum physics to model larger battery parts without losing fine detail.