"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

Astronomy

ESA selects 5 rocket companies for European Launcher Challenge

Space.com - Mon, 07/21/2025 - 10:42am
Germany's Isar and RFA, France's Maiaspace, Spain's PLD Space, and UK-based Orbex have been pre-selected for ESA's €169 million launcher initiative.
Categories: Astronomy

How Humility Can Restore Trust in Expertise

Scientific American.com - Mon, 07/21/2025 - 10:00am

Acknowledging the limits of one’s own knowledge could be as important a signal of expertise as credentials and confidence

Categories: Astronomy

Amateur astrophotographer captures trio of breathtaking nebulas from the Central Australian Desert (photos)

Space.com - Mon, 07/21/2025 - 9:00am
"There's some great targets in the southern hemisphere, including the Carina Nebula."
Categories: Astronomy

Should we preserve the pre-AI internet before it is contaminated?

New Scientist Space - Cosmology - Mon, 07/21/2025 - 8:56am
The rise of AI-generated content since 2022 risks making it impossible to know when information was produced solely by humans, which could be a problem for both future AI and historians
Categories: Astronomy

Astronauts collect blood aboard the ISS | Space photo of the day for July 21, 2025

Space.com - Mon, 07/21/2025 - 8:30am
Astronauts aboard the International Space Station collect blood samples as part of a project to study human health in space.
Categories: Astronomy

Immortal stars could live forever by 'eating' dark matter

New Scientist Space - Cosmology - Mon, 07/21/2025 - 8:00am
A computer simulation of stars near the centre of our galaxy offers an explanation for their mysteriously young appearance – they may be capturing dark matter for extra fuel
Categories: Astronomy

Landmark Langlands Proof Advances Grand Unified Theory of Math

Scientific American.com - Mon, 07/21/2025 - 8:00am

The Langlands program has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up new worlds for them to explore

Categories: Astronomy

Who Was First in Flight? This 1925 Scientific American Piece Dives into a Museum Disagreement

Scientific American.com - Mon, 07/21/2025 - 6:00am

This episode of Science Quickly goes on an archival adventure in Scientific American’s July 1925 issue.

Categories: Astronomy

ExoMars parachutes ready for martian deployment

ESO Top News - Mon, 07/21/2025 - 3:30am

 

The most complex parachute system to ever deploy on Mars has successfully slowed down an ExoMars mock-up landing platform for a safe touchdown on Earth.

Categories: Astronomy

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APOD - Sun, 07/20/2025 - 12:00pm

What is going on with this galaxy?


Categories: Astronomy, NASA