The Hubble Space Telescope, among the most celebrated and popular machines ever made, starts its 25th year in orbit on Thursday, the anniversary of its launch aboard NASA’s now-retired space shuttle Discovery.
Beyond Hubble, NASA looking at NASA's James Webb Telescope to image the universe's first light, soon after the Big Bang.
The iconic Hubble Space Telescope turns 25 this month, and getting the ball rolling on a life-hunting successor instrument would be a fitting birthday present, one prominent researcher argues.
Astronomers have taken a census of distant spiral galaxies to help us understand what our Milky Way may have looked like in the distant past, also providing us with an invaluable look at the evolution of our own solar system.
New research reveals just how invisible this stuff is, even to itself.
A chance alignment of galaxies and a touch of extreme physics was all it took for the universe to create an uncanny smiley face in deep space.
The space telescope has captured the moments when three of the Galilean satellites crossed the face of Jupiter.
A tiny galaxy has been discovered in the Milky Way's backyard and astronomers are now wondering just how many of these diminutive dwarfs are hiding in the intergalactic undergrowth.
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