Hubble Space Telescope Revisits Iconic Crab Nebula

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By comparing new Hubble observations with images first taken in 1999, astronomers traced the continuing expansion of one of the sky’s most studied supernova remnants, energized by a rapidly spinning pulsar at its core. This image, captured with the NASA/ESA Hubble Space Telescope in 2024, shows the Crab Nebula. Image credit: NASA / ESA /Continue Reading

Science Through Shadows: How Astronomical Alignments Reveal the Universe

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When one celestial object passes in front of another, it can cast a shadow that travels across space – and sometimes across Earth. These moments of alignment, known as eclipses, occultations, and transits, allow scientists to study distant objects in remarkable ways. By observing how light changes when an object briefly blocks another, astronomers canContinue Reading

us.-transport-secretary-holds-off-commenting-on-air-traffic-control-staffing-prior-to-ntsb-report

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U.S. Transport Secretary Duffy tells reporters that more information about the air traffic controller will be given by the NTSB ‘at the appropriate time.’ Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news, fast, downloadContinue Reading

watch-live:-senate-expected-to-vote-on-dhs-secretary-confirmation-for-mullin

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Watch PBS News for daily, breaking and live news, plus special coverage. We are home to PBS News Hour, ranked the most credible and objective TV news show. Sign up for Here’s The Deal with Lisa Desjardins: https://to.pbs.org/41q6E8i Subscribe for exclusive content in our newsletters: https://www.pbs.org/newshour/subscribe PBS News podcasts: https://www.pbs.org/newshour/podcastsContinue Reading

the-quiet-expansion-of-the-traitor’s-war-on-cartels

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OPINION — “The [narco-trafficking] boat strikes [in the Caribbean and Eastern Pacific] aren’t the answer. What we’re moving for right now might be an extension of [Operation] Southern Spear, really a counter [narcotics] cartel campaign process that puts total systemic friction across this [drug] network.” That was Marine Corps Gen.Continue Reading

national-security-starts-at-home-—-not-on-the-battlefield

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OPINION – The current conflict with Iran highlights a longstanding, core premise that national security comes from visible instruments of power – weapons. While hard power will always be critical to national security, national security is not created by accumulated hard power. It is created by enduring internal capacity thatContinue Reading

kalshi-and-polymarket-place-new-bans-on-insider-trading-as-senators-move-to-curb-prediction-markets

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NEW YORK (AP) — Kalshi and Polymarket, the two biggest prediction market platforms, rushed to institute new industry guardrails and add new surveillance tools on Monday after two key senators announced legislation that could severely curtail the industry’s prospects. Kalshi said it would ban political candidates from trading on theirContinue Reading