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."
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.
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.
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.
Researchers think dark matter collisions make Jupiter's atmosphere glow in infrared light. It would provide another way to detect the mysterious substance.
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.
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.
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.