The official feed for the Universe Today website: universetoday.com. Published by @fcain.universetoday.comhttps://bsky.app/profile/universetoday.comhttps://bsky.app/profile/universetoday.com/post/3mcvb3h36xy2qAstronomers have found a strange bar-shaped cloud of iron at the center of the Ring Nebula. Ejected material or vaporized planet? https://www.universetoday.com/articles/what-created-this-strange-iron-bar-in-the-ring-nebula20 Jan 2026 22:59 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3mcvb3h36xy2qhttps://bsky.app/profile/universetoday.com/post/3mcvak33gzx2qYou're looking at an incredible image of the star forming region Cepheus A. It contains a massive protostar with 16 times the mass of the Sun, part of a recent survey. https://www.universetoday.com/articles/studying-massive-and-mysterious-young-protostars-with-the-hubble20 Jan 2026 22:49 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3mcvak33gzx2qhttps://bsky.app/profile/universetoday.com/post/3mcktlfgyeo2sThere are bright flashes that can outshine their entire galaxy - luminous fast blue optical transients. What's causing them? A recent event seems to have been caused by a black hole completely shredding a companion star. https://www.universetoday.com/articles/solving-the-mystery-of-blue-flashes16 Jan 2026 19:31 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3mcktlfgyeo2shttps://bsky.app/profile/universetoday.com/post/3mcknztj6it2sThe habitable zone is a rough estimate where liquid water *could* exist. A new paper suggests that planets right at the inside edge of the habitable zone could avoid being greenhouse worlds. https://www.universetoday.com/articles/two-new-exoplanets-and-the-need-for-new-habitable-zone-definitions16 Jan 2026 17:52 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3mcknztj6it2shttps://bsky.app/profile/universetoday.com/post/3lrq3nikucs2xhttps://www.universetoday.com/articles/a-better-way-to-turn-solar-sails16 Jun 2025 13:30 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lrq3nikucs2xhttps://bsky.app/profile/universetoday.com/post/3lkix6u242k2uPart 2 of our deep dive into JWST Cycle 4. https://www.universetoday.com/articles/jwst-cycle-4-spotlight-part-2-the-distant-universe16 Mar 2025 15:25 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lkix6u242k2uhttps://bsky.app/profile/universetoday.com/post/3lkecb22vvc2ehttps://www.universetoday.com/articles/building-a-solar-power-satellite-from-moon-dust14 Mar 2025 19:00 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lkecb22vvc2ehttps://bsky.app/profile/universetoday.com/post/3lke5qshmws2mCycle 4 is out! Today, we start a 4-part series looking at the science that'll be rolling out with Cycle 4, focusing on exoplanets and habitability. https://www.universetoday.com/articles/science-objectives-announced-for-the-fourth-cylce-of-jwsts-general-observer-programs/?=nocache14 Mar 2025 17:40 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lke5qshmws2mhttps://bsky.app/profile/universetoday.com/post/3ljgi6rn5bv2m https://www.universetoday.com/171132/for-the-sake-of-astronaut-health-should-we-make-the-iss-dirtier/02 Mar 2025 22:26 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljgi6rn5bv2mhttps://bsky.app/profile/universetoday.com/post/3lje7erxnlj27 https://www.universetoday.com/171131/good-news-the-subaru-telescope-confirms-that-asteroid-2024-yr4-will-not-hit-earth/02 Mar 2025 00:43 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lje7erxnlj27https://bsky.app/profile/universetoday.com/post/3ljbkbcv5dc2c https://www.universetoday.com/171140/andromedas-dwarf-galaxies-reveal-unique-star-formation-histories/28 Feb 2025 23:20 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljbkbcv5dc2chttps://bsky.app/profile/universetoday.com/post/3ljbbbxtagb2w https://www.universetoday.com/171126/rogue-planets-are-born-in-young-star-clusters/28 Feb 2025 20:40 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljbbbxtagb2whttps://bsky.app/profile/universetoday.com/post/3ljazxnfhpm27 https://www.universetoday.com/171037/how-brine-shrimp-adapted-to-mars-like-conditions/28 Feb 2025 18:29 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljazxnfhpm27https://bsky.app/profile/universetoday.com/post/3ljay5vecz32e https://www.universetoday.com/171141/a-new-way-to-measure-where-the-milky-ways-dark-matter-is/28 Feb 2025 17:56 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljay5vecz32ehttps://bsky.app/profile/universetoday.com/post/3ljaxwuvjgb27 https://www.universetoday.com/171147/could-neutrinos-tell-us-about-the-inside-of-the-sun/28 Feb 2025 17:52 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljaxwuvjgb27https://bsky.app/profile/universetoday.com/post/3ljaxc3wh7b2u https://www.universetoday.com/171143/a-giant-ribbon-can-pull-payloads-along/28 Feb 2025 17:41 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljaxc3wh7b2uhttps://bsky.app/profile/universetoday.com/post/3ljaaaaqq2525 https://www.universetoday.com/171137/photonic-lightsails-are-our-best-shot-at-reaching-another-star/28 Feb 2025 10:48 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3ljaaaaqq2525https://bsky.app/profile/universetoday.com/post/3lja5xmthxl2l https://www.universetoday.com/171135/darpa-wants-to-build-structures-in-orbit-without-needing-a-launch-from-earth/28 Feb 2025 10:07 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lja5xmthxl2lhttps://bsky.app/profile/universetoday.com/post/3lj6znqkipz2q https://www.universetoday.com/171116/lucy-sees-its-next-target-asteroid-donaldjohanson/27 Feb 2025 23:18 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj6znqkipz2qhttps://bsky.app/profile/universetoday.com/post/3lj6sd2ekzm2a https://www.universetoday.com/171120/marss-northern-ice-cap-is-surprisingly-young/27 Feb 2025 21:06 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj6sd2ekzm2ahttps://bsky.app/profile/universetoday.com/post/3lj6rkrugkt2e https://www.universetoday.com/171115/the-solar-system-is-taking-a-fascinating-journey-through-the-milky-way/27 Feb 2025 20:53 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj6rkrugkt2ehttps://bsky.app/profile/universetoday.com/post/3lj5zvswwkx2q https://www.universetoday.com/170944/is-t-coronae-borealis-about-to-light-up/27 Feb 2025 13:50 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj5zvswwkx2qhttps://bsky.app/profile/universetoday.com/post/3lj4du5oe562u https://www.universetoday.com/171090/perseverance-takes-a-second-look-at-some-ancient-rocks/26 Feb 2025 21:42 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj4du5oe562uhttps://bsky.app/profile/universetoday.com/post/3lj45dmi7bl2l https://www.universetoday.com/171098/rover-finds-the-shoreline-of-an-ancient-beach-on-mars/26 Feb 2025 19:46 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj45dmi7bl2lhttps://bsky.app/profile/universetoday.com/post/3lj3taukeay2y https://www.universetoday.com/171085/as-expected-the-threat-from-2024-yr4-has-essentially-dropped-to-zero/26 Feb 2025 16:45 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj3taukeay2yhttps://bsky.app/profile/universetoday.com/post/3lj3peuysl72w https://www.universetoday.com/171091/so-this-is-how-you-get-magnetars/26 Feb 2025 15:36 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj3peuysl72whttps://bsky.app/profile/universetoday.com/post/3lj22i5p6ip2h https://www.universetoday.com/171086/a-new-explanation-for-why-mars-is-red/25 Feb 2025 23:49 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lj22i5p6ip2hhttps://bsky.app/profile/universetoday.com/post/3lizrt6dswb2p https://www.universetoday.com/171075/this-laser-could-find-fossil-microbes-on-mars/25 Feb 2025 21:14 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lizrt6dswb2phttps://bsky.app/profile/universetoday.com/post/3liziksl2qd2q https://www.universetoday.com/171077/can-we-develop-a-more-accurate-habitable-zone-using-sulfur/25 Feb 2025 18:28 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3liziksl2qd2qhttps://bsky.app/profile/universetoday.com/post/3lizcqy5sev2d https://www.universetoday.com/171073/a-hybrid-hydrogen-drive-train-could-eliminate-aircraft-emissions/25 Feb 2025 16:45 +0000at://did:plc:2outnnpm6pm4if76nwrobdhe/app.bsky.feed.post/3lizcqy5sev2d