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Astronomer Michael Brown: ‘I killed Pluto. Now I’m searching for Planet 9’
Cool astronomy livestream on Monday, July 14! EarthSky's Deborah Byrd will be talking with astronomer Michael Brown, who calls himself "the man who killed Pluto."
July 15, 2024
Eyeball ocean world? Webb reveals an intriguing super-Earth
NASA's Webb space telescope has revealed that exoplanet LHS 1140 b is a super-Earth ocean world. It may have an ocean on one side or a global ice-covered ocean.
July 15, 2024
Will the official definition of a planet change … again?
Astronomers will vote on a new definition of a planet in August 2024. The update would include exoplanets and set mass limits.
July 14, 2024
Falcon 9 return to flight OK’d by FAA
A SpaceX Falcon 9 launched Thursday night exploded. It was carrying a Starlink satellites that failed to reach their proper orbit and are now expected to make a fiery reentry.
July 13, 2024
Odd swirls on the moon may be from subsurface magma
Scientists at Washington University in St. Louis said odd, light-colored swirls on the moon may be the result of rocks magnetized by magma below the surface.
July 10, 2024
Do dark matter collisions on Jupiter glow in the infrared?
Researchers think dark matter collisions make Jupiter's atmosphere glow in infrared light. It would provide another way to detect the mysterious substance.
July 10, 2024
Giant stinky exoplanet smells like rotten eggs
Astronomers say that the giant stinky exoplanet HD 189733 b smells so bad - like rotten eggs - thanks to hydrogen sulfide in its atmosphere.
July 9, 2024
Exoplanets are worlds orbiting other stars
Exoplanets are worlds orbiting distant stars. Watch a video with an astronomer who studies them. Learn the history of our knowledge of exoplanets, and more.
July 7, 2024
Did a comet burst crash Earth’s climate 12,800 years ago?
Evidence suggests a celestial body exploded in Earth's atmosphere 12,800 years ago. The comet burst may have cooled the climate for around 1,200 years.
July 5, 2024
Artificial star to help probe a range of cosmic mysteries
The Landolt Space Mission will orbit an artificial star to aid with telescope calibration. Better data will lead to new insights on a range of cosmic mysteries.
July 4, 2024
