The Arecibo Message, transmitted on November 16th, 1974, from the Arecibo Observatory, was humanity’s first true…
A Nearby Supernova Could Finally Reveal Mark Matter
Despite 90 years of research, the nature and influence of Dark Matter continue to elude astronomers…
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…