Astronomy
How to See a Stunning Supermoon and Partial Lunar Eclipse on Tuesday
September’s full moon delivers a rare trifecta for lunar enthusiasts: a supermoon, a partial eclipse and a harvest moon
See 11 Breathtaking Space Images From the Astronomy Photographer of the Year Contest
From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the cosmos in sharp detail
How to Spot NASA's Solar Sail Demonstration Streaking Through the Night Sky
Amateur astronomers can use NASA's mobile app to find the ACS3 for themselves—a reflective satellite that could appear as bright as the star Sirius
See New Detailed Photos of Mercury From a Spacecraft's Closest Flyby Yet
BepiColombo, a joint European-Japanese mission, completed its fourth close pass of the innermost planet last week, and it will enter Mercury’s orbit in 2026 to learn more about its mysteries
An Ancient Asteroid Smashed Into Jupiter's Moon Ganymede and Tipped It Over, Study Finds
The cataclysmic impactor was 20 times the size of the rock that wiped out the dinosaurs on Earth
An Asteroid Hit Earth's Atmosphere Today—Here's Why Astronomers Say That's a Good Thing
Asteroid 2024 RW1 was discovered early this morning, marking the ninth time in history that humans have detected an approaching space rock before its impact
How to See the Milky Way This Weekend
Late August is a great time to observe the dazzling core of our galaxy, and with the upcoming new moon, viewing conditions should be ideal—as long as you're in a very dark area
This Massive Egyptian Observatory Is Unlocking Celestial Secrets of an Ancient Culture
The 2,500-year-old building with roots in both science and religion helped track the movement of the sun and stars
Our Moon Was Likely Covered in a Magma Ocean Long Ago, and New Data From India's Lunar Rover Supports That Theory
Soil composition measurements from the Chandrayaan-3 mission reveal white rock called ferroan anorthosite, which would have floated to the surface in an ocean of magma
NASA's Starliner Astronauts Will Return on SpaceX Craft in February, Turning an Eight-Day Mission Into Eight Months on the ISS
Boeing’s Starliner spacecraft no longer meets safety standards after experiencing technical issues in June, and it will return to Earth uncrewed, the space agency announced
Mysterious 'Wow!' Radio Signal Might Finally Have an Explanation—and No, It's Not Aliens
The infamous signal recorded in 1977 might have been a laser-like beam of radiation from a hydrogen cloud energized by a powerful, magnetic star, preliminary research suggests
A Rare 'Super Blue Moon' Will Be Visible Monday Night: What Does That Mean?
Tonight’s full moon will be bigger and brighter than usual, and it’s the third of four full moons this summer
NASA Retires Orbiting Telescope That Charted Asteroids for Over a Decade
NEOWISE, which looked for potentially hazardous objects in the solar system, received its last command on Thursday and will burn up when it re-enters Earth's atmosphere
Inside Scientists’ Quest to Find the Secrets of Life in Four Grams of Asteroid Dust
NASA researchers are scrutinizing rocks and dirt brought to Earth from the asteroid Bennu
How to Watch the Perseids, the 'Best Meteor Shower of the Year'
The annual celestial event is one of the year's most anticipated, and it will peak from August 11 to 12
Was This Renaissance Alchemist Ahead of His Time?
New research suggests that Tycho Brahe isolated tungsten nearly 200 years before the metal was identified as an element
Ancient Mesoamerican 'Pyramid of the Moon' May Align With Summer and Winter Solstices
New research suggests the monument in Teotihuacán, along with the larger Pyramid of the Sun, were designed based on astronomical movements
How to Watch the Southern Delta Aquariids Meteor Shower
Though not as prolific as the Perseids, this annual spectacle is 'scientifically interesting' because its comet of origin remains a mystery
See 25 Stunning Images of the Cosmos From the Chandra X-Ray Observatory as It Celebrates 25 Years in Space
Chandra, the world’s most powerful X-ray telescope, has been peering at black holes, stellar explosions and dark energy for a quarter-century
Apollo Astronauts Left American Flags, Boots and Even Poop on the Moon. Here's Why These Artifacts Matter
Fifty-five years after the first human lunar landing, scholars and experts are looking to preserve the past as more nations and companies undertake moon missions
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