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Posts by
EarthSky Voices
Mars starts a new year: avalanches, icy explosions and dunes
A new and explosive year began on Mars on November 14, 2024. NASA and its partners are tracking the season's strange and unique features.
December 31, 2024
Peering down at star-shaped cities from space
Satellites in space give us a clear view of these star-shaped cities in Europe. Read more about these cities, which are hundreds of years old, here.
December 31, 2024
Why does an evergreen tree have a pyramid shape?
Those who admire the pyramid shape of an evergreen tree might enjoy knowing that its shape has evolved in response to wind, snow, and light.
December 24, 2024
Space
ESA’s 2025 calendar: Best of Hubble and Webb
The European Space Agency has announced its 2025 calendar, featuring the best images from Hubble and Webb from the past year. And it's free for you to download!
December 22, 2024
How to catch a supernova explosion before it happens
Astronomers are looking for signals that a star is about to go supernova. Some stars give no warning while others have slowly brightened before exploding.
December 17, 2024
NASA’s Lucy spacecraft skimming Earth’s atmosphere today!
The Lucy spacecraft will make a close approach to Earth today. Its 6-year mission will carry it through the main asteroid belt and into the orbit of Jupiter.
December 12, 2024
What if we find alien life and don’t recognize it?
Astrobiologists are exploring how complexity arises in the universe to build frameworks for recognizing alien life when we finally find it.
December 10, 2024
The universe is vibrating, mounting evidence shows
Astronomers announced the discovery of more evidence pointing to the theory that our universe is vibrating due to black holes interacting.
December 5, 2024
A meeting of 2 ancient human species in fossil footprints
Scientists have discovered ancient human footprints of 2 different species, showing that they coexisted on the African shore. See the tracks here.
December 5, 2024
NASA testing underwater robots to explore ocean worlds
NASA is testing prototypes for autonomous underwater robots that could one day explore our solar system's subsurface oceans.
December 1, 2024
