InStarts With A Bang!byEthan SiegelAsk Ethan: Will anything persist when the Universe dies?Long after the last star burns out, the Universe will experience its end state: a heat death. Will everything prior then be meaningless?3d agoA response icon14
InStarts With A Bang!byEthan SiegelThe biggest overlooked problem in the hunt for alien EarthsOne big goal of science is to find an inhabited, Earth-like planet. But if we find an Earth-like world, will we even recognize it?6d agoA response icon13
InSlackjawbyLuís Leal MirandaCosmic Update Log: Earth EditionThese updates are designed to improve the user experience and encourage more time spent on the platform4d agoA response icon24d agoA response icon2
Rhett AllainModeling Artemis II with Physics and PythonI think it’s kind of a big deal. Humans going back to the moon after all this time. Oh, sure Artemis II won’t actually land on the moon but…Feb 21A response icon5Feb 21A response icon5
InStarts With A Bang!byEthan SiegelAsk Ethan: Can we see the expanding Universe changing?The Universe is expanding, the expansion is accelerating, and some galaxies even recede faster-than-light. Can we see a change in real…Feb 20A response icon7Feb 20A response icon7
InStarts With A Bang!byEthan SiegelAsk Ethan: Will anything persist when the Universe dies?Long after the last star burns out, the Universe will experience its end state: a heat death. Will everything prior then be meaningless?3d agoA response icon14
InStarts With A Bang!byEthan SiegelThe biggest overlooked problem in the hunt for alien EarthsOne big goal of science is to find an inhabited, Earth-like planet. But if we find an Earth-like world, will we even recognize it?6d agoA response icon13
InSlackjawbyLuís Leal MirandaCosmic Update Log: Earth EditionThese updates are designed to improve the user experience and encourage more time spent on the platform4d agoA response icon2
Rhett AllainModeling Artemis II with Physics and PythonI think it’s kind of a big deal. Humans going back to the moon after all this time. Oh, sure Artemis II won’t actually land on the moon but…Feb 21A response icon5
InStarts With A Bang!byEthan SiegelAsk Ethan: Can we see the expanding Universe changing?The Universe is expanding, the expansion is accelerating, and some galaxies even recede faster-than-light. Can we see a change in real…Feb 20A response icon7
InThe Quantastic JournalbyMarco CaprizBeyond Original Sin: What Would Aliens Mean for Catholic Morality?How the Vatican’s astronomers, evolutionary biology, and a 4th-century bishop are quietly preparing for a question most of us haven’t…Feb 20A response icon13
InStarts With A Bang!byEthan SiegelLast gasps of dying Sun-like star captured by HubbleBefore Sun-like stars die, they transition from AGB red giants into pre-planetary nebulae. Here’s how Hubble sees the famous Egg Nebula.Feb 18A response icon2
InStarts With A Bang!byEthan SiegelCarl Sagan’s 9 timeless lessons for detecting baloneyCarl Sagan’s baloney detection kit taught us how to separate good science from the work of charlatans. In 2026, that matters more than…Feb 17A response icon17
