Phys.org ‘Remarkable’ cosmic explosion discovered in decades-old X-ray data Astrobitica February 17, 2025 (Last updated: February 17, 2025) 1 minute read The “needle in the haystack” discovery of a powerful explosion from a mysterious unknown object outside our galaxy has excited astronomers. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: New study finds meteoric iron in early Iron Age artifacts in PolandNext: Do Saturn’s rings cast shadows? Related Stories Phys.org Astronomers catch hot birth of galaxy cluster more than 11 billion light-years away Astrobitica August 19, 2026 Phys.org Mars attacks: How much dust from the red planet is safe to breathe? Astrobitica August 18, 2026 Phys.org NASA’s LRO images Falcon 9 crater on moon, learns new details Astrobitica August 18, 2026