NASA to Unveil New Exoplanet Discovery Tomorrow

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Artist's concept of exoplanet Kepler-452b
This artist's concept depicts one possible appearance of the planet Kepler-452b, the first near-Earth-size world to be found in the habitable zone of a star that is similar to our sun. (Image credit: NASA Ames/JPL-Caltech/T. Pyle)

Update for Feb. 22, 1:30 p.m: NASA has found 7 Earth-size planets orbiting a single star, with 3 of the worlds in the star's habitable zone! Read Our Full Story: Major Discovery! 7 Earth-Size Alien Planets Circle Nearby Star

Images: The 7 Earth-Sized Planets of TRAPPIST-1 in Pictures

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NASA is holding a news conference tomorrow (Feb. 22) to discuss "new findings on planets that orbit stars other than our sun, known as exoplanets," according to a statement from the agency.

The news conference begins at 1 p.m. EST (1800 GMT). No other specifics about the "new findings" have been made public, but "details … are embargoed by the journal Nature" until 1 p.m. EST, according to the statement.

The news conference will feature five speakers: Thomas Zurbuchen, associate administrator of the Science Mission Directorate at NASA headquarters; Michaël Gillon, astronomer at the University of Liège in Belgium; Sean Carey, manager of NASA's Spitzer Science Center at Caltech/IPAC in Pasadena; Nikole Lewis, astronomer at the Space Telescope Science Institute in Baltimore; and Sara Seager, professor of planetary science and physics at Massachusetts Institute of Technology.

Sara Seager is a leading exoplanet scientist who, among other things, is working on the problem of how to identify bio signatures in exoplanet atmospheres. The Space Telescope Science Institute is an astronomical research center as well as the mission operations center for the Hubble Space Telescope and NASA's planet-hunting Kepler telescope. 

Following the news conference, the five scientists will participate in a Reddit Ask Me Anything (AMA) session at 3 p.m. EST (2000 GMT), in which members of the public can pose questions to the scientists via a Reddit message board.

You can watch the webcast of tomorrow's news conference live on NASA TV or right here on Space.com.

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Calla Cofield
Calla Cofield
Senior Writer

Calla Cofield joined Space.com's crew in October 2014. She enjoys writing about black holes, exploding stars, ripples in space-time, science in comic books, and all the mysteries of the cosmos. Prior to joining Space.com Calla worked as a freelance writer, with her work appearing in APS News, Symmetry magazine, Scientific American, Nature News, Physics World, and others. From 2010 to 2014 she was a producer for The Physics Central Podcast. Previously, Calla worked at the American Museum of Natural History in New York City (hands down the best office building ever) and SLAC National Accelerator Laboratory in California. Calla studied physics at the University of Massachusetts, Amherst and is originally from Sandy, Utah. In 2018, Calla left Space.com to join NASA's Jet Propulsion Laboratory media team where she oversees astronomy, physics, exoplanets and the Cold Atom Lab mission. She has been underground at three of the largest particle accelerators in the world and would really like to know what the heck dark matter is. Contact Calla via: E-Mail – Twitter