Hubble Space Telescope Revisits Iconic Crab Nebula

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

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

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

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