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A rare Neptune-sized planet orbiting a giant star
Astronomers say they have found a rare Neptune-sized planet orbiting a giant hot star, providing clues about why these worlds often lose their atmospheres.
August 18, 2022
Dark matter mystery in Fornax Cluster
A new study suggests dwarf galaxies in the Fornax cluster lack of dark matter halos. This finding challenges the cosmological Standard Model.
August 17, 2022
Launches: U.S. Space Force takes command
EarthSky’s Launches blog brings you the best in spaceflight updates. Looking for the most current Launches blog? Click here. Previously...
August 17, 2022
Launches: Surprise rollout for Artemis 1
August 16, 2022 Launches blog update. NASA announced on August 15 that Artemis 1 would be rolled to the launch pad, several days ahead of schedule.
August 16, 2022
EarthSky’s Launches blog has moved
Launches blog for August 23: NASA tweets that Artemis 1 is still slated for launch August 29 ... And gives the nod to a private space station concept.
August 15, 2022
Wow! See a galactic collision in stunning detail
Astronomers using the Gemini North telescope in Hawaii have captured a stunning new image of a galactic collision of 2 galaxies 60 million light-years away.
August 12, 2022
Betelgeuse is recovering from blowing its top
Betelgeuse blew its top in 2019. The explosion kicked up a dust cloud, which made the star look dimmer from Earth. The star is slowly recovering.
August 11, 2022
Can meteors make a sound? Scientists say yes
Is it possible to hear a meteor? Some people report hearing meteors make a sizzling sound. Scientists explain how you can hear a meteor.
August 9, 2022
How do meteorites survive their fiery journey to the ground?
Asteroid 2008 TC3 entered our atmosphere and scattered meteorites over Sudan. Researchers found the resulting meteorites came from the back of the asteroid.
August 8, 2022
Mars Sample Return mission steps forward
The Mars Sample Return mission is changing a bit, including the addition of 2 new Mars helicopters. It will bring the 1st-ever Mars samples to Earth in 2033.
August 8, 2022
