In January 2016, panic rippled through Vietnam’s Yen Bai province as residents awoke to deafening crashes and metallic thuds ...

Three nano-glass spheres cling to one another. They form a tower-like cluster, similar to when you pile three scoops of ice ...

If these objects really existed, we could detect them using gravitational waves, according to a new paper published Oct. 27 in the journal Physical Review Letters.

But such Dyson spheres might also add a signal from infrared radiation. The megastructures will absorb radiation from the white dwarf and convert that energy into other things.