This Just In
What has Antarctica and Mars got in common? Mineral deposits from a briny subsurface aquifer suggest bacteria are hiding under the barren Antarctic landscape -- can the same be said for the red planet?
Astronomers have detected an exoplanet's visible-light spectrum directly for the first time ever, a milestone that could help bring many other alien worlds into clearer focus down the road.
A ghostly apparition has long been known to follow Saturn moon Enceladus in its orbit around the gas giant. But until now, scientists have had a hard time tracking its source.
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.
Humanity is on the verge of discovering alien life, high-ranking NASA scientists say.
The search for alien life doesn't end within the boundaries of our solar system. Scientists are now search for moons orbiting alien planets that might play host to extraterrestrial life.
Astronomers have devised an instrument that could lift the veil of doubt over whether we're alone in the universe.
There is an exclusive group of celestial bodies that are known to possess rings in our solar system -- now a second asteroid-comet hybrid has been found to sport one.
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