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News
Alien Signals May Be Hiding in a Radio Band SETI Has Barely Explored
1+ day, 3+ hour ago (665+ words) Archived radio observations could open new frequencies to SETI while showing that past searches covered millions more stars than previously estimated. A potential extraterrestrial signal could be hiding in radio frequencies that modern searches for intelligent life have barely examined....
Astronomers Detect an Atmosphere on a Potentially Earth-Like World
2+ day, 3+ hour ago (551+ words) This discovery marks a major milestone in the search for life on worlds beyond our solar system. A faint stream of helium escaping from a distant rocky world has revealed something astronomers had never clearly detected before: an atmosphere around…...
Mathematician Offers New Solution to a Fundamental Cosmic Paradox
3+ day, 3+ hour ago (138+ words) New research examines how gravity can be reconciled with thermodynamics through the Gravity from Entropy theory....
Rare “Super-Jupiter” Discovered on an Extraordinary 180-Day Orbit
3+ day, 3+ hour ago (647+ words) Scientists discovered a rare planet larger than Jupiter orbiting a distant star once every 180 days. A planet nearly five times as massive as Jupiter circles a distant star once every 180 days. Known as NGTS-38 b, it is an exoplanet, meaning…...
A Powerful Cosmic Accelerator Has Been Confirmed in the Milky Way
4+ day, 2+ hour ago (461+ words) Scientists have identified an accelerator that produces the highest-energy protons in our galaxy, a finding that could clarify the nature of the fast-moving particles filling the space between stars. The findings were published in The Astrophysical Journal. Since 1990, the Japan…...
These Nearby Alien Planets Are Stranger – and More Hostile – Than Expected
4+ day, 2+ hour ago (657+ words) Barnard’s Star hosts four hostile small planets whose unusual chemistry and orbital rhythm reveal how compact planetary systems can form and survive. Just under six light-years from Earth, Barnard’s Star hosts four small worlds unlike any planet in our own…...
3.1-Billion-Year-Old Rocks Rewrite the History of Earth’s Early Tectonics
4+ day, 13+ hour ago (928+ words) Earth may have been recycling surface water through its deep interior more than three billion years ago. In the Pilbara region of Western Australia, volcanic rocks more than three billion years old preserve traces of a journey once considered unlikely....
Quantum Gravity May Be Far Less Quantum Than Physicists Expected
5+ day, 2+ hour ago (732+ words) A new study reveals that some proposed signatures of quantum gravity may have an unexpected classical explanation. Imagine placing an object in two locations at once. Quantum mechanics allows such a possibility, at least for sufficiently small systems. But if…...
Astronomers Discover Two Super Puff Planets Lighter Than Cotton Candy
6+ day, 2+ hour ago (821+ words) Two giant planets lighter than cotton candy are giving astronomers a rare new window into the origins of some of the galaxy’s strangest worlds. Astronomers have identified two of the least dense giant planets ever measured. The unusual worlds belong…...
One Asteroid Collision May Have Rocked Earth, Mars, and the Moon
6+ day, 2+ hour ago (721+ words) A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and possibly changed Earth’s history....