A new citizen science project invites the public to scan never-before-seen images from the Euclid Space Telescope in search ...
Astronomy and commercial space are often portrayed as being on a collision course, yet their futures are deeply intertwined. As satellite constellations expand, astronomers raise concerns about trails ...
Of the roughly 7,300 active satellites in Earth orbit, about 3,600 are part of SpaceX’s growing fleet of Starlink internet ...
Gravity used to be the most dependable rule in the cosmic rulebook, the quiet background force that never changed its mind. Now a series of discoveries and bold claims are turning that certainty into ...
Light travels at a whopping 299,792 kilometers per second. It zips from Earth to the Moon in a heartbeat, clears the orbit of ...
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Ripples in space-time predicted by Einstein could mend our broken understanding of the universe
Physicists may have a brand-new way to measure the expansion rate of the universe — one of the biggest outstanding mysteries in cosmology — using space-time ripples predicted by Einstein. A new study ...
The Committee on Astronomy and Astrophysics (CAA) provides an independent, authoritative forum for identifying and discussing issues in astronomy and astrophysics with the research community, the ...
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