The Milky Way isn’t the only galaxy: 100th anniversary

Edwin Hubble’s work showed that the great spiral nebula in the constellation Andromeda (pictured) was a…

Is this a volcanic exoplanet? Hints are in its atmosphere

Artist’s concept of L 98-59 d, a super-Earth world 35 light-years away. Now, new results from…

Are large asteroids hidden in this annual meteor shower?

View at EarthSky Community Photos. | Richard Swieca in Ste Agathe des Monts, Quebec, Canada, caught…

SpaceX successfully launched its Starship spacecraft again. What's next?

SpaceX launched its Starship spacecraft for the sixth time. President-elect Trump and Elon Musk were in…

Astronomers Find a 3 Million Year Old Planet

Astronomers have just found one of the youngest planets ever. At only 3 million years old,…

There was Hot Water on Mars 4.45 Billion Years Ago

Earth and Mars were very similar in their youth. Four billion years ago, both planets had…

Axion Dark Matter May Make Spacetime Ring

Dark matter made out of axions may have the power to make space-time ring like a…

ESA – Sentinel-1 tracking maritime traffic

Equipped with advanced radar technology, the Copernicus Sentinel-1 mission delivers continuous, all-weather, day-and-night imaging of Earth’s…

Earth’s Old Trees Keep A Record of Powerful Solar Storms

Most of the time the Sun is pretty well-mannered, but occasionally it’s downright unruly. It sometimes…

2024 Impact Report | The Planetary Society

Science and Technology Studying salty lakes as planetary analogsThis year Dr. Jacob Buffo’s project, funded by…