Light echos in the Eta Carinae Nebula

The young star Eta Carinae shines prominently in the skies of the southern hemisphere. Although located relatively far away from Earth (about seven thousand light-years away, as compared with the average distance of naked-eye ...

Echo chambers persist in climate politics, research shows

New research from the University of Maryland (UMD) finds that contentious climate politics continue to be influenced by the diffusion of scientific information inside "echo chambers"—social network structures in which individuals ...

Speculative wormhole echoes could revolutionize astrophysics

The scientific collaborations LIGO and Virgo have detected gravitational waves from the fusion of two black holes, inaugurating a new era in the study of the cosmos. But what if those ripples of space-time were not produced ...

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