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Human dam-building has caused a small (but astonishing) pole shift
Human dam-building - nearly 7,000 dams from 1835 to 2011 - has shifted Earth's poles and caused a drop in global sea levels.
July 8, 2025
Airport radar could signal our existence to aliens
Airport radar leaks electromagnetic energy into space. These signals are strong enough that aliens 200 light-years away would be able to detect our presence.
July 8, 2025
Earth could be in a void, Big Bang sound waves suggest
New research says sound waves from the Big Bang support the idea that Earth is in a huge void, which could explain the Hubble tension.
July 8, 2025
New clues to how galaxies sustain star formation
High-velocity gases in Messier 83 originate from outside the galaxy, explaining how galaxies can sustain star formation over billions of years.
July 8, 2025
Did something just hit Saturn? See the image here!
Did something hit Saturn, resulting in a bright flash on July 5, 2025? Possibly! We await confirmation from other observers. Find out more here.
July 7, 2025
Phones and wifi block our view of our place in the universe
Astronomers help locate our place in the universe by analyzing the radio waves that come from black holes in the distant universe. But radio is getting crowded.
July 6, 2025
Mars orbiter learns new tricks in search for water
A NASA Mars orbiter - Mars Reconnaissance Orbiter - is trying out a new maneuver to help it find ice and liquid water beneath Mars' surface.
July 6, 2025
See the best deep-sky photos of June 2025 here
Enjoy this gallery of deep-sky photos for June 2025 from our EarthSky community. If you have a great photo to share, send it in, too. We love to see them!
July 5, 2025
Double detonation supernova destroyed this star!
Check out this amazing image of a supernova remnant, showing its star exploded twice! And hear from the scientists who created the image.
July 4, 2025
Supercell thunderstorm churns over the Plains
Supercell thunderstorms look like giant motherships and can bring severe weather such as tornadoes and hail. See a diagram of a supercell here.
July 4, 2025
