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Gravitational wave signal tests Einstein's theory of general relativity - Phys.org
For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It’s the clearest gravitational wave signal from a binary black hole merger to date, and it gives researchers an opportunity to test Albert Einstein’s theory of gravity,…
Starlink in Full Retreat? 4,400 Satellites Slashed 70KM After ‘Dangerous’ Chinese Encounter - eurasiantimes.com
Space scientists have long warned of an apocalyptic scenario: the collision of two satellites in Earth’s orbit, creating space debris that triggers a domino effect of further collisions, potentially rendering low Earth orbit unusable. This model of a chain re…
Is time a fundamental part of reality? A quiet revolution in physics suggests not - Phys.org
Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and we die, in exactly that order. We plan our lives around tim…
Stone Age teenager was mauled by a bear 28,000 years ago, skeletal analysis confirms - Live Science
The mystery of a Stone Age teenager’s death has been solved — 80 years after he was found in an ancient burial ground in Italy.
NASA Spots Eerie Black Spots in the Sahara Making Dunes Vanish on One Side and Grow On the Other - Indian Defence Review
A trio of ancient mesas is rewriting what we know about wind, sand, and deep-time geology, captured in stunning detail from space.
Discovery of a Galaxy at Redshift 14.4, 280-Million Years After the Big-Bang - Avi Loeb – Medium
On January 15, 2013, I published a comprehensive textbook with my former PhD student, Steve Furlanetto (currently a tenured professor at…