ISS astronaut spies sunglint from Lake Titicaca | Space photo of the day for July 9, 2025
The astronaut was able to capture the lake reflecting direct sunlight at the camera.
JWST finds cosmic monster ruling tiny early galaxy: Was it forged by black holes from the Big Bang?
The discovery of a monster-sized black hole in a pristine galaxy unspoiled by stellar death suggests growth via mergers between primordial black holes formed during the Big Bang.
The ‘sound of the Big Bang’ hints that Earth may sit in a cosmic void 2 billion light-years wide
The "Hubble tension," one of the most frustrating and lingering problems in science, could be solved if Earth and the Milky Way sit in a low-density void.
Best Amazon Prime Day telescope deals 2025
We've scoped out the best telescope deals available this year featuring top models from reputable retailers.
Astronomy has a major data problem – simulating realistic images of the sky can help train algorithms
Astronomers use algorithms to analyze the numerous images coming from space, but how accurate are they?
The ocean on Saturn’s icy moon Enceladus has the right pH for life — barely
"We know that some microbes on Earth can tolerate the range of pH found on Enceladus."
Radar ‘leakage’ from airports could lead intelligent aliens to Earth
Radar signals from "leaky" civilian and military aviation systems could act as a beacon to alien life, revealing intelligent life on Earth while helping us pinpoint them.
How your smartphone is powered by debris from a nova star explosion
The discovery could explain why younger stars seem to have more lithium than the Big Bang theory says they should have.
How Trump’s budget cuts could affect 2 iconic space telescopes: Hubble and James Webb
At the 246th American Astronomical Society meeting in Alaska last month, scientists discussed how Trump's budget cuts could affect operations for the Hubble Space Telescope and JWST.
NASA astronaut Nichole Ayers works on experiment in microgravity | Space photo of the day for July 8, 2025
Aboard the International Space Station, Ayers pulls out physics research hardware inside the Microgravity Science Glovebox