Exoplanet Discoveries

Exoplanets
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The Universe

NASA Scientists Spot Candidate for Speediest Exoplanet System

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, the pair sets a new record for the fastest-moving exoplanet system, nearly double our solar system’s speed through the Milky Way. The planetary system is thought to move at least 1.2 million miles per […]
Posted February 10, 2025
Exoplanet Atmosphere
Exoplanet Discoveries
Exoplanets
Gas Giant Exoplanets

Discovery Alert: A Planet with a ‘Tail’

The Planet WASP-69 b The Discovery The exoplanet WASP-69 b has a “tail,” leaving a trail of gas in its wake. Key Takeaway  WASP-69 b is slowly losing its atmosphere as light hydrogen and helium particles in the planet’s outer atmosphere escape the planet over time. But those gas particles don’t escape evenly around the […]
Posted December 10, 2024
Exoplanet Detection Methods
Exoplanet Discoveries
Exoplanet Transits
Exoplanets
Neptune-Like Exoplanets
Radial Velocity
Super-Earth Exoplanets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: A Rare Glimpse of a Newborn Planet

The Discovery A huge planet with a long name – IRAS 04125+2902 b – is really just a baby: only 3 million years old. And because such infant worlds are usually hidden inside obscuring disks of debris, it is the youngest planet so far discovered using the dominant method of planet detection. Key Facts The […]
Posted November 20, 2024
Exoplanet Discoveries
Exoplanet Exploration Program
Exoplanets
Gas Giant Exoplanets
Studying Exoplanets
Super-Earth Exoplanets
Terrestrial Exoplanets

Discovery Alert: With Six New Worlds, 5,500 Discovery Milestone Passed!

On Aug. 24, 2023, more than three decades after the first confirmation of planets beyond our own solar system, scientists announced the discovery of six new exoplanets, stretching that number to 5,502. From zero exoplanet confirmations to over 5,500 in just a few decades, this new milestone marks another major step in the journey to […]
Posted July 17, 2024
Astrophysics
Astrophysics Division
Exoplanet Atmosphere
Exoplanet Discoveries
Exoplanet Exploration Program
Exoplanet Science
Exoplanet Transits
Exoplanets
Goddard Space Flight Center
James Webb Space Telescope (JWST)

NASA’s TESS Finds Intriguing World Sized Between Earth, Venus

Using observations by NASA’s TESS (Transiting Exoplanet Survey Satellite) and many other facilities, two international teams of astronomers have discovered a planet between the sizes of Earth and Venus only 40 light-years away. Multiple factors make it a candidate well-suited for further study using NASA’s James Webb Space Telescope.
Posted May 23, 2024
Exoplanet Discoveries
Exoplanets
Gas Giant Exoplanets
Goddard Institute for Space Studies
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: a Long Year for a ‘Cold Saturn’

Two recently discovered exoplanets, gas giants possibly similar to Saturn, could be candidates for further atmospheric investigation.
Posted March 7, 2024
Exoplanet Discoveries
Exoplanets
Gas Giant Exoplanets
Missions
The Universe
WISE (Wide-field Infrared Survey Explorer)

Discovery Alert: Glowing Cloud Points to a Cosmic Collision

Scientists find that a glowing cloud that obscured a star was caused by a cataclysmic collision of two giant exoplanets.
Posted February 17, 2024
Exoplanet Discoveries
Exoplanets
Terrestrial Planets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: Earth-sized Planet Has a ‘Lava Hemisphere’

In a system with two known planets, astronomers spotted something new: a small object transiting across the Sun-sized star. This turned out to be another planet: extra hot and Earth-sized.
Posted January 10, 2024
Exoplanet Discoveries
Exoplanet Transits
Exoplanets
Hubble Space Telescope
James Webb Space Telescope (JWST)
Nancy Grace Roman Space Telescope

Seeing and Believing: 15 Years of Exoplanet Images

Fifteen years ago, astronomers delivered what is now an iconic direct image of an exoplanet, Beta Pictoris b.
Posted December 12, 2023
General
Ames Research Center
Ames Research Center's Science Directorate
Astrophysics
Astrophysics Division
Exoplanet Detection Methods
Exoplanet Discoveries
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Kepler / K2
Missions
NASA Centers & Facilities
Science & Research
Science Mission Directorate
The Universe

Scorching, Seven-Planet System Revealed by New Kepler Exoplanet List

A system of seven sweltering planets has been revealed by continued study of data from NASA’s retired Kepler space telescope: Each one is bathed in more radiant heat from their host star per area than any planet in our solar system. Also unlike any of our immediate neighbors, all seven planets in this system, named […]
Posted November 2, 2023
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