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Spooky alignment of quasars across billions of light-years

Exotic Objects, Galaxies, Science

Quasar superclusters found

What are wormholes? An astrophysicist explains these shortcuts through space-time

Exotic Objects, Galaxies, Robotic Spaceflight

Snapshot: Hubble catches a black hole creating new stars

Robotic Spaceflight, Science

The James Webb Space Telescope lives!

Cosmology, Exotic Objects

Tests of general relativity with gravitational waves can go awry

The term wormhole was coined in 1957 by American physicist John Wheeler. He named them after the literal holes worms leave behind in fruits and timber. Before that, they were called one-dimensional tubes and bridges. Credit: Interior Design/Shutterstock.

Cosmology, Exotic Objects, Science

What are wormholes? An astrophysicist explains these shortcuts through space-time

International Gemini Observatory/NOIRLab/NSF/AURA

Cosmology, Exotic Objects, Science

NGC 7727’s cosmic merger foreshadows our own future

A black hole creates a cosmic ray gun

How the Milky Way’s neighborhood came to be

Exoplanets, Milky Way, Planets, Solar System

Top 10 space stories of 2020

The Beginning to the End of the Universe: The Big Crunch vs. The Big Freeze