It's 99 percent dark matter, a new study explains.
Hubble captures a dying star cracking open the dazzling, dust-filled Egg Nebula in a rare cosmic transformation.
The planet's lopsided magnetic field is twisting the light shows.
The James Webb Space Telescope has produced the first-ever three-dimensional images of Uranus’s upper atmosphere, revealing a chaotic and shimmering world of infrared auroras.
Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life. Bruno Gilli/ESO, CC BY If a person is lost in the wilderness, they have two options ...
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