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Tag library
Every feature, interview, and quick read we've ever tagged with #astronomy in one place.
A rare total lunar eclipse will create a dramatic blood moon visible across North America, Australia, New Zealand, and eastern Asia in the early hours of March 3. Here's exactly where and when to catch this spectacular celestial show.
The moon creates a stunning 'ring of fire' effect as it passes in front of the sun today in a rare annular solar eclipse. Here's exactly when and how to watch safely without damaging your eyes.
A rare planetary alignment makes six planets visible to the naked eye this weekend, creating a spectacular stargazing opportunity that won't happen again for years.
A teenager's groundbreaking algorithm processed 200 billion infrared detections to uncover cosmic objects that professional astronomers had overlooked. This discovery demonstrates how young minds are revolutionizing space exploration.
Earth reached its closest point to the sun in January 2026, yet the Northern Hemisphere is experiencing winter—debunking one of the most common misconceptions about what causes seasons.
An 11th-century monk observed and tracked what we now call Halley's Comet twice in his lifetime, centuries before Edmund Halley's famous calculations. New research is rewriting the history books on one of astronomy's most celebrated discoveries.
Up to 150 Geminid meteors will light up the night sky on Dec. 13-14 as Earth passes through debris from comet 3200 Phaethon.
Explore the three confirmed interstellar objects that have transformed our understanding of the cosmos. From the enigmatic 'Oumuamua to the rule-breaking 3I/ATLAS, these cosmic travelers are rewriting astronomy textbooks with each new discovery.
Discover how 3I/ATLAS, our third interstellar visitor, breaks cosmic rules with its unusual tail pointing toward the Sun. This ancient cosmic traveler reveals unprecedented insights into star systems beyond our own.
Scientists have captured the chemical fingerprint of interstellar comet 3I/ATLAS, revealing surprising elements from another star system. This cosmic messenger's unusual nickel concentration and rare anti-solar tail challenge our understanding of chemistry across the galaxy.
Discover how scientists use spectroscopy to read the chemical fingerprint of interstellar comet 3I/ATLAS. Learn about this powerful technique that unlocked the comet's 10-billion-year journey through space and try a simple spectroscopy experiment at home.
Astronomers discovered a strange interstellar comet with impossible chemistry and a backward tail. Learn how this alien visitor is challenging our understanding of the cosmos.
NASA's latest mission has revealed breathtaking and high-resolution images of black holes and galaxies. The stunning pictures captured during this mission have provided a deeper understanding of the universe and opened doors for further exploration.
The historic black hole from the famous 2019 image is now revealing its most spectacular secret - launching an enormous jet of energy that spans 3,000 light-years across space. Multi-frequency observations are giving scientists unprecedented views of how these cosmic monsters work.
A stunning supermoon and the year's first major meteor shower are lighting up January skies. Here's when and where to catch nature's most dazzling celestial show.
A rare celestial alignment tonight will see the moon eclipse one of the brightest stars in the night sky, creating a spectacular vanishing act visible across two continents. This extraordinary astronomical event won't repeat for years.
Mysterious luminous fast blue optical transients (LFBOTs) that have puzzled researchers for over a decade may finally be explained: extreme tidal disruption events where supermassive black holes shred companion stars. A record-bright example discovered last year is giving scientists unprecedented insight into how these cosmic catastrophes work.
Astronomers used advanced AI to analyze decades of Hubble telescope data and found over 1,300 cosmic anomalies, with more than 800 completely new to science. These mysterious objects could revolutionize our understanding of the universe.
Machine learning algorithms uncovered hundreds of previously undetected cosmic anomalies hiding in decades-old Hubble telescope data. This breakthrough demonstrates AI's revolutionary potential for scientific discovery in existing astronomical archives.
Alexander Venner manually combed through retired Kepler telescope data and found a potentially habitable exoplanet that's now catching the attention of major observatories worldwide.
Scientists have found an unexplained giant iron structure glowing at the core of the Ring Nebula, a cosmic mystery that has baffled astronomers for centuries. The discovery challenges everything we thought we knew about this iconic celestial object.
European researchers have found an unexpected bar-shaped cloud of iron inside the iconic Ring Nebula, challenging everything scientists thought they knew about how these cosmic structures form.
The Hubble Space Telescope has identified an unprecedented galaxy composed almost entirely of dark matter, detected only through its globular star clusters. This groundbreaking discovery could revolutionize our understanding of how dark matter shapes the universe.
The James Webb Space Telescope captured stunning new images of the Helix Nebula, showing how a dying sun-like star enriches the galaxy with elements essential for life. This breathtaking preview of our sun's future reveals the beautiful cosmic cycle of death and renewal.
The James Webb Space Telescope reveals stunning new details of the Helix Nebula, showing how dying stars like our sun scatter life-giving elements across the galaxy. This breathtaking 'Eye of God' image offers a preview of our sun's distant future.
New research reveals Mars wasn't always the red desert we know today—it was once a stunning blue planet covered in glistening lakes, rivers, and vast oceans. Scientists have determined the dramatic extent of ancient Martian water that transformed our neighboring world.
A volcanic eruption on Jupiter's moon Io has shattered records, releasing six times more energy than all of Earth's power plants combined. The volcanic hotspot is larger than Lake Superior.
Astronomers have detected a complex sulfur-containing molecule in interstellar space for the first time, offering new clues about the chemical origins of life itself.
Strange bright lines discovered across Mercury's surface suggest the smallest planet is far from dead, overturning decades of scientific assumptions about our solar system's innermost world.