astrophysics
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See The South Pole Message That Alerted Astronomers To The Cosmic-Ray-Spewing Blazar
Scientists just made a huge announcement: Telescopes around the world recorded a source of mysterious, ultra-high-energy cosmic rays, the highest-energy particles that hit the Earth. It all started with a text message.
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Meteorite Hunters Find Remains Of Last Month’s Botswana Fireball
Last month, a fireball lit up the skies over Botswana just hours after scientists first spotted the space rock hurtling toward Earth. Researchers from Botswana, South Africa, Finland and the United States have now found pieces of the meteorite.
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Astronomers Have Captured First Direct Evidence Of An Exoplanet Being Born
At this point, we’ve spotted several thousand exoplanets – there’s nothing super exciting any more about finding a distant star with several worlds orbiting it. But today, scientists are announcing that they have seen an exoplanet in the middle of forming.
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Einstein’s Theory Of Gravity Passes Enormous Test On A Galaxy
It would be hard to overstate how resilient the theory of general relativity has been. In its hundred-plus-year history, it’s managed to predict things far beyond the capabilities of 1910s experiments, and it withstands every new test scientists throw at it.