NASA will announce a new discovery by its planet-hunting Kepler space telescope today, and you can following the unveiling live online.

Space agency officials and scientists will host a live news teleconference at 2 p.m. EDT (1800 GMT) to unveil the new Kepler planet discovery. You can watch and listen to the webcast of the NASA Kepler discovery announcement live on Space.com.

The nature of the discovery is embargoed by the journal Science, NASA officials wrote in an update. [7 Greatest Discoveries by Alien Planets (So Far)]

Alien Planet Quiz: Are You an Exoplanet Expert?

Astronomers have confirmed more than 800 planets beyond our own solar system, and the discoveries keep rolling in. How much do you know about these exotic worlds?

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Alien Planet Quiz: Are You an Exoplanet Expert?

Astronomers have confirmed more than 800 planets beyond our own solar system, and the discoveries keep rolling in. How much do you know about these exotic worlds?

"Launched in March 2009, Kepler is the first NASA mission capable of finding Earth-size planets in or near the habitable zone the range of distance from a star in which the surface temperature of an orbiting planet might sustain liquid water," NASA officials wrote in an alert announcing today's breifing. "The telescope has since detected planets and planet candidates spanning a wide range of sizes and orbital distances, including those in the habitable zone. These findings have led to a better understanding of our place in the galaxy."

Participating in NASA's press conference will be:

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NASA Will Unveil New Discovery from Planet-Hunting Kepler Telescope Today @ 2pm ET