Ethan SiegelinStarts With A Bang!2024’s summer solstice is Earth’s earliest since 1796On June 20, 2024, the summer solstice occurs at its earliest moment since 1796: when George Washington was President of the USA. Here’s…14h ago114h ago1
Ethan SiegelinStarts With A Bang!No, new measurements can’t relax the Hubble tensionThere are two different ways to measure the expansion rate of the Universe, and they don’t agree. And no, new measurements don’t help.1d ago51d ago5
Ethan SiegelinStarts With A Bang!5 big lessons from JWST’s new record-setting galaxyA new all-time record! JWST’s discovery of JADES-GS-z14–0 pushes the earliest galaxy ever seen to just 290 million years after the Big…2d ago12d ago1
Ethan SiegelinStarts With A Bang!Ask Ethan: Why didn’t the Big Bang become a black hole?If you bring too much mass or energy together in one location, you’ll inevitably create a black hole. So why didn’t the Big Bang become…5d ago45d ago4
Ethan SiegelinStarts With A Bang!Is the “Methuselah star” really older than the Universe?The Universe is precisely dated at 13.8 billion years old, but astronomers claim the Methuselah star is 14.5 billion years old. What gives?6d ago56d ago5
Ethan SiegelinStarts With A Bang!8 basic unanswered questions about the known particlesIt’s 2024, and we still only know of the fundamental particles of the Standard Model: nothing more. But these 8 unanswered questions…Jun 56Jun 56
Ethan SiegelinStarts With A Bang!The Higgs boson’s most captivating puzzle still remainsPredicted way back in the 1960s, the discovery of the Higgs boson in 2012 completed the Standard Model. Here’s why it remains fascinating.Jun 45Jun 45
Ethan SiegelinStarts With A Bang!Ask Ethan: Will the Universe ever reach equilibrium?The expanding Universe, in many ways, is the ultimate out-of-equilibrium system. After enough time passes, will we eventually get there?May 317May 317
Ethan SiegelinStarts With A Bang!Is fundamental science a victim of its own success?Some think the reason fundamental scientific revolutions are so rare is because of groupthink. It’s not; it’s hard to mess with success.May 3017May 3017
Ethan SiegelinStarts With A Bang!Why physicists now question the fate of the UniverseFor nearly 25 years, we thought we knew how the Universe would end. Now, new measurements point to a profoundly different conclusion.May 2911May 2911