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Scientists discover a powerful and surprisingly long-lasting gamma ray explosion outside our galaxy — Hubble telescope 2009 by Wikipedia Photo - http://spaceflight.nasa.gov/gallery/images/shuttle/sts-125/html/s125e011835.html[1] (By: NASA) / Creative Commons

Science · United States

Scientists discover a powerful and surprisingly long-lasting gamma ray explosion outside our galaxy

66% Center coverage: 65 sources

Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Telescopes on Earth and in space — including Hubble — have teamed up to study the unique explosion of high-energy radiation first observed in July. Astronomers reported Tuesday it's unlike anything they've witnessed before.The repeated bursts of gamma rays were detected over the course of a day, according to scientis…See the Story

SwRI Says Interstellar Comet Flybys Are Achievable as 3I/ATLAS Defies Expectations — 3I-ATLAS surface brightness plot by Wikipedia Photo - Own work; the VLT image is sourced from the ESO science archive (image ID FORS2.2025-07-04T06_49_56.011) and the plot is sourced from Figure 4 of Seligman et al. (2025), which is licensed under CC-BY-4.0. (By: Nrco0e) / CC-BY-SA-4.0

Astronomy · San Antonio

SwRI Says Interstellar Comet Flybys Are Achievable as 3I/ATLAS Defies Expectations

49% Center coverage: 52 sources

New telescope data show an extreme carbon-dioxide-dominated coma with unusually early activity far from the sun.See the Story

Did NASA's Perseverance Rover Actually Find Evidence of Life on Mars? We Need to Haul Its Samples Home to Find Out, Scientists Say

Did NASA's Perseverance Rover Actually Find Evidence of Life on Mars? We Need to Haul Its Samples Home to Find Out, Scientists Say

67% Center coverage: 3 sources

We'll likely need to get Perseverance's samples to Earth to determine if they do indeed harbor evidence of Mars life — but the prospects of such a mission are cloudy at best.See the Story

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