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A winner has been declared in the debate about stars, dark matter and black holes, and it can help us understand how elliptical galaxies grow.
Hot tubes of plasma align on the sun's surface in a flower-like pattern to provide a gorgeous view captured at New Jersey's Big Bear Solar Observatory.
Hubble has taken a photo of what seems to be a smiling cartoon face in the depths of space -- an effect produced by a phenomenon known as gravitational lensing.
Information from the Planck space telescope helped create a stunning new map. It's also shedding light on dark matter and the origins of the universe.
Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
Its root cause still undetermined, a huge X-ray flare from the Milky Way's center has made NASA scientists sit up and take notice.
Rumors have been flying on social media that a blip in gravity will render us all weightless. Don't get floated, er, carried away by this hoax though.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.
The discovery of a new unusually bright dead star leads astronomers to question assumptions about a type of cosmic radiation -- and pulsars themselves.
The discovery of water vapor in the atmosphere of the planet opens up more understanding about planet formation and the possibility of life outside our solar system.