Astronomy
After Decades of Searching, Are Physicists Closing In on Dark Matter?
With no conclusive laboratory results, researchers are turning to other methods to find the elusive substance
The Seven Most Amazing Discoveries We’ve Made About Pluto
Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system
Astronomers Uncover the Origin of Most of Earth's Meteorites, Shedding Light on Our Solar System's Past
Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet
How to Watch the Bright and Speedy Orionid Meteor Shower
While the Orionids, peaking early Sunday and Monday, might be hard to see because of the waning gibbous moon, these zippy meteors can produce long "trains" that last up to several minutes
See the First Section of the Largest-Ever Cosmic Map, Revealed in Stunning Detail by the Euclid Space Telescope
The final 3D atlas of the sky will help scientists study dark matter and dark energy, which make up 96 percent of the universe but remain mysterious
See the Super Hunter's Moon Tonight, the Biggest and Brightest Full Moon of the Year
This week's supermoon is closer to Earth than any other in 2024
You Could See Dazzling Auroras Tonight as 'Strong' Solar Storm Hits. Here's What to Know
Predicted to bring the northern lights as far south as parts of California and Alabama, a large coronal mass ejection from the sun collided with our planet Thursday morning
Astronomers Are Watching for a Once-in-a-Lifetime Nova Explosion. When Will We See It?
A recurrent nova, known as the Blaze Star or T Coronae Borealis, is predicted to soon appear in the night sky. But the exact timing of the rare eruption remains unknown
How to Catch a Glimpse of the Draconid Meteor Shower
While the annual shower usually makes for a sleepy showing, it has been known to produce fantastic outbursts in the past
Astronomers Discover a Small Exoplanet That's Our Cosmic Neighbor at Just Six Light-Years Away
Orbiting Barnard's star, the nearest solo star to Earth, the world is too hot to be habitable—a scorching 257 degrees Fahrenheit
Two Comets Could Be Visible to the Naked Eye This Fall. Here's How to Get the Best View
While expectations are high for some special sightings, experts warn that comets are notoriously fickle and unpredictable
How to Find the Ten Brightest Stars in the Night Sky
From Aldebaran to Vega, these gleaming beacons dazzle Northern Hemisphere viewers at various times of the year and provide a useful entry point into amateur astronomy
Earth Is Getting a New 'Mini Moon' for the Next Two Months, Astronomers Say
A roughly 33-foot-long asteroid called 2024 PT5 will chart a horseshoe-like path around our planet
Astronomers Discover Record-Breaking Jets Escaping a Black Hole, the Longest Ever Seen
The energetic streams are together 23 million light-years in length—roughly as long as 140 Milky Way galaxies lined end to end
Did Earth Once Have a Ring Like Saturn? Geologists Find Evidence for a Halo of Orbiting Space Rocks 466 Million Years Ago
A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, according to a new study
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
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